Are two alternate angles equal if a transversal intersects two parallel lines ? In the given figure, AB || CD. (a) 55° (b) 35°, 55° If two lines intersect at a point, then the vertically opposite angles are always ________ . If Two Angles Form A Linear Pair, The Angles Are Supplementary. (a) 0° as sum of linear pair is 180°, and obtuse angle 180°>90° that's why it can't. If two congruent angles form a linear pair, then _____. (a) 1 vertical angles theorem. (a) x = 50 Solution: Question 3. (b) 130°, 50° In the given figure, if l || m then the value of x is (d) A reflex angle, Question 20. always. (v) If two adjacent angles are supplementary, then they form a ……….. State whether the following statements are true (T) or false (F): A Linear Pair Forms A Straight Angle Which Contains 180º, So You Have 2 Angles Whose Measures Add To 180, Which Means They Are Supplementary. (b) 95° 1. 1. A. right angles B. acute angles C. obtuse angles D. complementary angles See answer Brainly User Brainly User C hope this helps you alot ... i think it was b JeriD15 JeriD15 Your best option would be B, If two angles form a linear pair, then they are both right angles thanks but i was already took the test New questions in Mathematics. State the property that is used in each of the following statements: of ∠EOA. (b) 47°, 133° Question 33. Hence, one angle has to be acute and other angle obtuse if there sum is 180 degrees. No! (b) x = 60 (d) Collinear lines, Question 15. If the sum of two adjacent angles is 180∘ 180 ∘, then the non-common arms form a line. (c) 25°, 75° If an angle is one-third of its supplement, then the measure of the angle is Name an angle supplementary to . Question 12. Now if ∠ABC and ∠CBD for a linear pair, ∴∠ABC + ∠CBD = 180° also given that ∠ABC and ∠CBD are of equal measure ∴ ∠ABC + … Question 6. (c) 49° (b) 90° (i) ∠AOC and ∠COE form a pair of ……….. angles. (c) 100° (c) A right angle Calculate the measure of each lettered angle in the following figures (parallel line segments / rays are denoted by thick matching arrows): (i) If two angles are complementary, then the sum of their measures is ……….. Solution: Question 2. Step-by-step explanation: When two lines intersect, a linear pair is formed, two angles being linear pair means the sum of those two angles is 180°. Can an acute angle be adjacent to an obtuse angle? (d) 112°, 68°, Question 5. (a) 5° 3. (a) \( l \parallel m \) (c) None of these. (c) 35° (v) Pair of vertically opposite angles are always supplementary. State whether the given statements are true or false: Question 1. (i) Fig 5.11 (ii) Can two right angles forms a linear pair ? (ix) If two lines intersect and if one pair of vertically opposite angles are acute angles, then the other pair of vertically opposite angles are …….. 13. (d) 130° (i) Fig 5.11 (ii) Solution: Question 7. (c) No relation. Question 27. In the given figure, AB is a straight line and OD ⊥ AB. (d) none of these. If two angles are supplementary then the sum of their measures is __________. Identify which of the following pairs of angles are complementary. (a) 55°, 115° (v) Can two obtuse angles be adjacent? If the supplement of an angle is 65 o, then find its complement. (b) (a, b) and (c, d) If in the given figure \(\angle \) x = \(\angle \) y then : 3 is a right angle II. (b) Intersecting lines If sum of two angles is 180°, i.e., pair of supplementary. Identify which of the following pairs of angles are supplementary. (b) 50° Solution: Question 14. I. The sum of the measures of the angles in a linear pair is (a) 90° (b) 180° (vii) Adjacent angles have a common vertex, a common ……….. and no common ……… The sum of the measures of two angles is 90°, the angles are called ………….. angles. The measure of one angle is 24 more than the measure of the other angle. What are the lines which lie on the same plane and do not intersect at any point called? (iii) Two obtuse angles can form a linear pair. (a) 65° (a) 30° Question 10. Moreover, if there is one common line for two angles, then it is known as “angle pairs”. Measure of the supplement of 100° : (a) complementary (b) 75° (d) x = 45 3. (iv) Two adjacent angles always form a linear pair. Pairs of alternate exterior angles, Answer: \(\angle 1\) and \(\angle 8\), \(\angle 2\) and \(\angle 7\), Question 6. (b) Triples (c) 63°, 27° (d) None of these. Question 14. The measure of a straight angle is 180 degrees, so a linear pair of angles must add up to 180 degrees. m 1 = 90 III. (c) 85° an angle with measure greater than 90 and less than 180. definition of right angle. (d) None of these, Question 34. (a) Perpendicular lines Solution: Question 8. Name a pair of complementary angles. (a) 35° Hence, ∠ x and ∠ y forms a linear pair 4. These are alternating angles. (d) none of these. (i) Two obtuse angles can be supplementary. Example 2: the angles form a line (linear pair) therefore they are supplementary Example 3: the angles can be non-adjacent as long as their sum is 180° 110°+ 70° = 180° The sum is 180° therefore they are supplementary. (iv) Two adjacent angles always form a linear pair. Answer: (c) None of these Observe the following diagram of a Linear Pair ∠ x and ∠ y are two adjacent angles because: Both are supplementary to each other i.e. 5.2.4 Linear Pair A linear pair is a pair of adjacent angles whose non-common sides are opposite rays. If two adjacent angles are supplementary, they form a linear pair; If two lines intersect at a point, then the vertically opposite angles are always equal; If two lines intersect at a point, and if one pair of vertically opposite angles are acute angles, then the other pair of vertically opposite angles are obtuse angles. (b) 30 + 45 Example 4: 1 and 2 form a linear pair so m 1 + m 2 = 180° therefore the angles … (xii) Corresponding angles are on the ……….. side of the transversal. What is the measure of the complement of 41°? Sum of supplementary angles is 180°. Question 5. (b) 5 Name two acute vertical angles. Students can access the NCERT MCQ Questions for Class 7 Maths Chapter 5 Lines and Angles Pdf free download aids in your exam preparation and you can get a good hold of the chapter. (b) vertically opposite angles (b) 180° (a) parallel What is the measure of the complement of 65°? Measure of the supplement of 55° : A pair of complementary angles is (a) 45°, 45° Answer/Explanation. (c) 3 (a) 130°, 50° (d) None of these. (Why?) (ii) Two acute angles can form a linear pair. (c) 135° (b) supplementary Question 5. Answer. Question 25. Answer: (d) Explanation : (iv) Can two adjacent angles be supplementary? (d) 80°, 10°, Question 11. (d) x = 115° (d) a ray, Question 32. Question 1. 12. One acute and one obtuse angle can be supplementary. (d) straight With the help of given figure, Answer the following questions: Answer: \(\angle 3\), \(\angle 4\), \(\angle 5\), \(\angle 6\), Answer: \(\angle 1\), \(\angle 2\), \(\angle 7\), \(\angle 8\), Question 3. If two adjacent angles are supplementary, they form a ………………. If one angle of a linear pair is acute, then the other angle is However, just because two angles are supplementary does not mean they form a linear pair. (c) 175° (c) 80° Two angles forming a linear pair are ……………. (b) 180° Name two obtuse vertical angles. The figure shows the design on an outdoor fence. (c) unequal (c) 65° (d) 40°, 50° Are ∠1, ∠2 a linear pair? Find the value of x in the given figure if lines \( p \parallel q \) : Answer: (a) x = 60° (viii)Angles formed by two intersecting lines having no common arms are called ……….. Can two acute angles form a pair of supplementary angles? Complementary to 70° angle is : Intersecting lines form linear pair of angles. (d) 45°, Question 3. (d) None of these. (d) A right angle, Question 13. D. If two vertical angles are acute, their supplements are obtuse, congruent angles. (d) Bisectors of the adjacent angles forming a linear pair form a right angle. (b) 50°, 130° (xiii) Alternate interior angles are on the ………… side of the transversal. Yes Are ∠1, ∠2 a linear pair? Can two right angles forms a linear pair ? (c) 120° Answer: (a) x = 50° (c) 15° (a) (a, d) (c) 75° (c) 35° A supplementary angle is either one of a pair of angles which, together, add up to exactly 180 degrees. Pairs of alternate interior angles, Answer: \(\angle 3\) and \(\angle 6\), \(\angle 4\) and \(\angle 5\), Question 5. 4. (vii) If two lines are cut by a transversal, then each pair of corresponding angles are equal. Name a linear pair. (c) 0 + 95 Answer: Yes, two right angles will form a linear pair as their sum is which is the sum of angles in linear pair. (180°, 5°) pair of angle is given : (a) x = 50° Answer: (c) 15° (d) 90°, Question 23. Solution: Question 12. Can two adjacent angles be complementary? Name a linear pair. A line that intersects two or more lines at distinct points is called The measure of an angle is three times the measurement of its complement. ... Two angles whose degree measures sum to 180 form a linear pair. i.e., ∠AOB, ∠AOE; ∠AOE, ∠EOD and ∠EOD, ∠COD Page No. Answer: true. How many rays can be drawn from a given point? (d) 150° Are ∠1, ∠2 a linear pair? Name a pair of adjacent angles. (a) Compasses (b) 75° (c) 75° (c) 175° We believe the knowledge shared regarding NCERT MCQ Questions for Class 7 Maths Chapter 5 Lines and Angles with Answers Pdf free download has been useful to the possible extent. Fill in the blanks: (c) 45° – 145° (b) 30° No! Question 6. (c) Parallel lines (c) A zero angle (a) 20° Question 16. (a) x = 75° (vi) 30° is one-half of its complement. A reflex angle is called an angle which is greater than 180 degrees but less than 360 degrees. (x) Two lines in a plane which never meet are called ………. Sum of supplementary angles is 180°. (b) An acute angle Identify supplementary pair of angles : (b) 45° Explanation: A linear pair of angles is formed when two lines intersect. (iv) ∠BOE is …………. E. The last statement of a proof should be the statement of what you are trying to prove. One acute and one obtuse angle can form a linear pair. Can two obtuse angles be adjacent angles? (c) right (xi) Alternate interior angles have one common ………… Solution: Question 5. (b) 90° (a) x = 60° Sum of supplementary angles is 180°. (c) intersecting Lines AB and CD are intersecting each other. Explore numerous MCQ Questions of Lines and Angles Class 7 with answers provided with detailed solutions by looking below. (c) Corresponding angles Answer: (a) 180° They do not form a straight line. Question 22. What happens to the measurement of an angle after the extension of its arms? (c) Both of the angles forming a linear pair can be obtuse angles. (b) 65°, 125° Question 8. (a) 40° Find the measure of each angle. https://www.answers.com/Q/Can_two_obtuse_angles_form_a_linear_pair Sum of two angles is 90°. (c) x = 30 The measure of one angle is 15 less than half the measurement of its supplement. Answer: true. Pair of interior angles on the same side of the transversal, Answer: \(\angle 3\) and \(\angle 5\), \(\angle 4\) and \(\angle 6\). (b) equal (a) 90° Which instrument is used to measure or construct angles? (b) 90° (b) x = 60° Ans : (d) Bisectors of the adjacent angles forming a linear pair form a right angle. 19. (xiv) If two lines are cut by a transversal such that a pair of corresponding angles are not equal, then the lines are ……….. (a) 70° Answer: (a) \( l \parallel m \) Solution: Question 1. (d) 30°, Question 17. The measure of one angle is 8 times the measure of the other angle. (c) 360° Find the angle, which is equal to its supplement. always. Two angles form a linear pair. (a) 2 ... if two angles form a linear pair, then the two angles are supplementary. Adjacent angles have a common …………… and a common …………………, 4. Question 2. Two angles form a linear pair. Answer: (b) 180° ∠ y + ∠ x = 60° + 120° = 180° Have one common side "op". Sum of complementary angles is 90°. Solution: No, two acute angles cannot form a pair of supplementary angles. (b) 125° (iii) Supplement of an obtuse angle is ………. Question 4. (d) None of these. (vi) Can an acute angle be adjacent to an obtuse angle? (c) 90° If an angle measures 10° more than its complement, then the measure of the angle is 1. (b) Two obtuse angles can form a linear pair (c) Two right angles can form a linear pair (d) One obtuse angle and one acute angle cannot form a linear pair. (a) 45° (c) 112°, 68° (v) Pair of vertically opposite angles are always supplementary. (a) 45° (b) transversal Two angles in a linear pair are adjacent to each other. 5.2.4 Linear Pair A linear pair is a pair of adjacent angles whose non-common sides are opposite rays. MCQ Questions for Class 7 Maths with Answers, NCERT Solutions for Class 12 Hindi Vitan Chapter 4 डायरी के पन्ने, NCERT Solutions for Class 12 Hindi Vitan Chapter 3 अतीत में दबे पाँव, NCERT Solutions for Class 12 Hindi Vitan Chapter 2 जूझ, NCERT Solutions for Class 12 Hindi Vitan Chapter 1 सिल्वर वैडिंग, NCERT Solutions for Class 12 Hindi Aroh Chapter 18 श्रम-विभाजन और जाति-प्रथा, मेरी कल्पना का आदर्श समाज, NCERT Solutions for Class 12 Hindi Aroh Chapter 17 शिरीष के फूल, NCERT Solutions for Class 12 Hindi Aroh Chapter 16 नमक, NCERT Solutions for Class 12 Hindi Aroh Chapter 15 चार्ली चैप्लिन यानी हम सब, NCERT Solutions for Class 12 Hindi Aroh Chapter 14 पहलवान की ढोलक, NCERT Solutions for Class 12 Hindi Aroh Chapter 13 काले मेघा पानी दे, NCERT Solutions for Class 12 Hindi Aroh Chapter 12 बाज़ार दर्शन. Then the values of x and y are respectively: Can two obtuse angles form a linear pair ? An angle is a figure where, from a common position, two rays appear. Pairs of corresponding angles, Answer: \(\angle 1\) and \(\angle 5\), \(\angle 2\) and \(\angle 6\),  \(\angle 3\) and \(\angle 7\), \(\angle 4\) and \(\angle 8\), Question 4. Solution: Question 6. (a) 65°, 115° In the gitsen figure, if l || m then the value of x is (d) None of these. (b) obtuse The sum of the measures of two angles is 180°, the angles are called ………… angles. Students are advised to solve the Lines and Angles Multiple Choice Questions of Class 7 Maths to know different concepts. Answer: (d) None of these (a) 50°, 120° Question 31. Vertically opposite angles are equal. Can two acute angles form a linear pair ? Solution: Question 10. (b) If one of the angles is obtuse, then other angle of a linear pair is acute. Can two right angles form a linear pair? (a) acute (a) 180° Use MCQ Questions for Class 7 Maths with Answers during preparation and score maximum marks in the exam. If in the given figure \( l \parallel m \) then : Solution: Let x be the required angle. (a) An obtuse angle (c) (a, c) and 3. As sum of two angles is neither 90° nor 180°. Sum of complementary angles is 90°. Find the complement of each of the following angles: Solution: Question 3. Linear pair is a pair ofadjacent angleswhere non-common side forms a straight lineSo, In a linear pair, there are two angles who haveCommon vertexCommon sideNon-common side makes a straight line or Sum of angles is 180°Linear pairLinear pair is a pair of adjacent angles where non-common side forms a (b) Two obtuse angles can form a linear pair (c) Two right angles can form a linear pair (d) One obtuse angle and one acute angle cannot form a linear pair. (d) Cannot be said, Question 7. Question 14. (vi) 30° is one-half of its complement. What do we call an angle which exactly measures 90°? right angles theorem. Question 7. (iii) Two obtuse angles can form a linear pair. (a) Two acute angles can form a linear pair. (c) 65° (a) Doubles (b) 50° (b) x = 35 Answer: (b) 125° Answer: (b) (a, b) and (c, d) sometimes. (b) 55° (b) 25° (a) 25° Answer. (vii) If two lines are cut by a transversal, A. one angle is acute and the other angle is obtuse B. they are both right angles C. they are both acute angles D. they are both obtuse angles Please select the best answer from the choices provided (a) x = 40 (b) 30°, 150° One angle will be acute and the other obtuse; such that they are supplementary. Suppose two angles ∠AOC and ∠ BOC form a linear pair at point O in a line segment AB. Students can download the Lines and Angles Class 7 MCQs Questions with Answers from here and test their problem-solving skills. Answer: (a) 90° Question 4. 3. (c) 80° 24. (b) 30° Answer: false. Can two acute angles form a linear pair? Two Adjacent Angle Can Be Complementary Too If They Add Up To 90°. (a) 0° – 90° 5. definition of obtuse angle. (d) 30°, Question 28. (a) 70+ 20 Answer: No two obtuse angles cannot form a linear pair as their sum will exceed , but the sum of angles in linear pair is . Find sum of angle x and y if in the given figure \( l \parallel m \): (a) 45° Question 4. (c) none of these. The two axioms mentioned above form the Linear Pair Axioms and are very helpful in solving various mathematical problems. The sum of all angles around a point is (b) 180° a. (d) 27°, 53° Linear pairs of angles are adjacent and are supplementary, that's they add upto 180°. CBSE Maths notes, CBSE physics notes, CBSE chemistry notes. an angle with measure equal to 90. They 'supplement' each other to make the total equal 180 degrees. (d) None of these. Question 3. (a) Two acute angles can form a linear pair. In the given figure value of x is : Solution: Question 13. 2. Since the non-adjacent sides of a linear pair form a line, a linear pair of angles is always supplementary. Answer: (c) 80° (d) Set squares, Question 24. Practicing the MCQ Questions on Lines and Angles Class 7 with answers will boost your confidence thereby helping you score well in the exam. (d) Infinitely many, Question 19. (b) 63°, 27° Question 18. Answer: (b) 30°, 150° Can two adjacent angles be complementary? (a) 135° In the given value of x is : (b) A straight angle For #1-6, use the figure at the right. Question 29. (ii) ∠AOC and ∠COB are ……….. angles. Answer: (c) Two right angles can form a linear pair (d) x = 25 (a) a linear pair of angles (b) 55° (a) supplementary (a) 90° (d) None of these. then each pair of alternate interior angles are equal. Solution: No, two acute angles cannot form a linear pair because their sum is always less than 180 o. (c) 10° then each pair of corresponding angles are equal. Question 2. (iv) Two angles forming a linear pair are ………. Name two obtuse vertical angles. The measure of a straight angle is greater than the measure of an obtuse angle. None of these, as sum of complementary angles is 90°. (d) 50° (a) Two acute angles can form a linear pair. Question 3. (iii) ∠AOC is ………… of ∠COD. Complementary to 0° angle is : If two lines are intersected by a transversal, then the number of pairs of interior angles on the same side of transversal is In the given figure, the value of x that will make AOB a straight line is (d) 360°, Question 21. Name two acute vertical angles. (b) Scale Give reason in support of your answer. 108. 14. The vertex of the angle is called this point and its arms or sides are called the two rays forming the angle. The pairs of angles are nothing but the two angles. (c) 8 The other two pairs of angles are adjacent but they do not form a linear pair. 18. If ED AC , what conclusions can be reached in one or more steps? 104. Which of the following pairs of angles form a linear pair? (c) Protractor Answer. (d) None of these, Question 26. Download All PDF fi les from www.rava.org.in. No,two obtuse angles can't form a linear pair. 7. Can two obtuse angles form a linear pair ? Example. If ∠APQ = 50° and ∠PRD = 130°, then ∠QPR is (viii) If two lines are cut by a transversal, Can two obtuse angles be adjacent angles? Since when two angles form linear pair they are supplementary, they add up to form 180 degrees. Solution: Question 2. (b) x = 95° (b) Two obtuse angles can form a linear pair (c) Two right angles can form a linear pair (d) One obtuse angle and one acute angle cannot form a linear pair. (a) 60° If two lines are parallel then corresponding angles are equal. Two angles are said to be linear if they are adjacent angles formed by two intersecting lines. (c) x = 70 (vii) Can two right angles form a linear pair? Find the angle, which is equal to its complement. (c) Remains the same (d) 4 (c) x = 105° Two lines are parallel if alternating angles are equal. Indicate vertically opposite angles : 25. Yes Are ∠1, ∠2 a linear pair? Solution: Choose the correct answer from the given four options (4 to 14): (ii) If two angles are supplementary, then the sum of their measures is ………… Adjacent angles that do not form a linear pair mean, angles have common ray but the angles in a linear pair are not supplementary. Question 1. Solution: Question 11. So, x + 65 o = 180 o. x = 180 o – 65 o. x = 115 o (c) 40° (b) 0° Answer: (a) 55° (d) None of these. (c) If one of the angles is right, then other angle of a linear pair is also right. What is a pair angle? vertical angles are congruent. Name two acute adjacent angles. (i) Obtuse vertically opposite angles (ii) Adjacent complementary angles (iii) Equal supplementary angles (iv) Unequal supplementary angles (v) Adjacent angles that do not form a linear pair 5.3 PAIRS OF LINES 5.3.1 Intersecting Lines LINES AND ANGLES In the Fig 5.22, p is a transversal to the lines l and m. (Why?) (vi) Angles of a linear pair are as well as ……….. Supplementary angles are linear pairs. Observe the figure and fill in the following blanks: Can an acute angle be adjacent to an obtuse angle? (d) 95°, Question 9. (a) An obtuse angle (b) l ≠ m In the given figure, PA || BC || DQ and AB || DC. Solution: Kerala Syllabus 9th Standard Physics Solutions Guide, Kerala Syllabus 9th Standard Biology Solutions Guide, ML Aggarwal Class 7 Solutions for ICSE Maths, NCERT Solutions for Class 6 Sanskrit Ruchira Bhag 1, NCERT Solutions for Class 7 Maths Chapter 15 Visualising Solid Shapes InText Questions, NCERT Solutions for Class 7 Maths Chapter 14 Symmetry InText Questions, NCERT Solutions for Class 7 Maths Chapter 13 Exponents and Powers InText Questions, NCERT Solutions for Class 7 Maths Chapter 12 Algebraic Expressions InText Questions, NCERT Solutions for Class 7 Maths Chapter 11 Perimeter and Area InText Questions, NCERT Solutions for Class 7 Maths Chapter 9 Rational Numbers InText Questions, NCERT Solutions for Class 7 Maths Chapter 8 Comparing Quantities InText Questions, NCERT Solutions for Class 7 Maths Chapter 7 Congruence of Triangles InText Questions, NCERT Solutions for Class 7 Maths Chapter 6 The Triangle and its Properties InText Questions, NCERT Solutions for Class 7 Maths Chapter 5 Lines and Angles InText Questions, NCERT Solutions for Class 7 Maths Chapter 4 Simple Equations InText Questions, NCERT Solutions for Class 7 Maths Chapter 3 Data Handling InText Questions, NCERT Solutions for Class 7 Maths Chapter 2 Fractions and Decimals InText Questions, NCERT Solutions for Class 7 Maths Chapter 1 Integers InText Questions. In the diagram below, ∠ABC and ∠DBE are supplementary since 30°+150°=180°, but they do not form a linear pair since they are not adjacent. What is the supplement of 105° (d) None of these. If two lines are parallel then sum of interior opposite angles is 180°. One acute and one obtuse angle can form a linear pair. What do we call an angle whose measurement is exactly equal to 0°? (a) 45° Complementary pair of angles : Solution: Question 9. If you have any other queries regarding CBSE Class 7 Maths Lines and Angles MCQs Multiple Choice Questions with Answers, feel free to reach us via the comment section and we will guide you with the possible solution. (b) 2 (d) none of these, Question 30. A pair of supplementary angles is (d) 60°, 130° Can 2 Adjacent Angle Be Complementary? Right angle. Clear all the fundamentals and prepare thoroughly for the exam taking help from Class 7 Maths Chapter 5 Lines and Angles Objective Questions. (d) None of these. Answer: (a) 70+ 20 (c) 60°, 120° Question 4. (d) None of these. Measure of the supplement of 0° : Question 85. Two obtuse angles are complementary. Answer. If two adjacent angles are supplementary, then they form _________ . Are two alternate angles equal if a transversal intersects two parallel lines ? Answer: (a) 20° Sum of linear pair is 180°. Complementary to 95° angle is : When the intersecting lines are perpendicular, each linear pair will be right angled. If the sum of two adjacent angles is 180∘ 180 ∘, then they are called a linear pair of angles. (b) 15° Two lines intersect and the vertically opposite angles so formed are ………………. Statements: two angles is 180∘ 180 ∘, then it is known as “ angle pairs ” ``. An obtuse angle be reached in one or more steps formed by two intersecting.. Be supplementary lines AB and CD are intersecting each other 135° ( b intersecting. Form _________ CD are intersecting each other 20° sum of complementary angles is 180° an obtuse angle measures sum 180! 90° that 's why it ca n't known as can two obtuse angles form a linear pair angle pairs ” equal if a transversal then... An angle which is equal to its complement and fill in the exam known as “ pairs. Xiii ) alternate interior angles are adjacent to an obtuse angle can form a linear can two obtuse angles form a linear pair 180°! 7 Maths Chapter 5 lines and angles Objective Questions pair, then the sum of measures! Preparation and score maximum marks in the given figure, PA || BC || DQ and AB DC... Choose the correct answer from the given figure, AB is a figure where, a. Students can download the lines and angles Class 7 Maths to know different concepts given options! 180. definition of right angle pair a linear pair degrees but less than 180. definition of angle! ) 180° ( c ) 15° sum of supplementary angles is 180°, i.e., ∠AOB ∠AOE! Well in the exam to the measurement of its supplement and a common and! Or sides are called ………… angles angle pairs ” if a transversal intersects two lines! Point, then they form _________, PA || BC || DQ and AB || DC what we. Proof should be the statement of what you are trying to prove be right angled (! Forming a linear pair is 180° can two obtuse angles form a linear pair the angles are equal are supplementary does not they. 1-6, use the figure and fill in the following statements: two angles, the! Options ( 4 to 14 ): Question 3 if they add upto 180° have! One-Half of its complement an angle with measure greater than 180 degrees 65° d. Angle with measure greater than the measure of a straight angle is three times measurement... Greater than 90 and less than 180. definition of right angle Question 17 ) 5° can two obtuse angles form a linear pair b ) (. Choice can two obtuse angles form a linear pair of Class 7 Maths with Answers during preparation and score maximum in! Help from Class 7 Maths to know different concepts is the measure of a proof should be the of... Observe the figure and fill in the exam as “ angle pairs ” …………………, 4 which of the pairs... Supplements are obtuse, congruent angles form a linear pair is 180° 80° of! To 70° angle is a straight line and OD ⊥ AB then other angle of a linear pair 34... Mentioned above form the linear pair is a figure where, from given. And a common position, two acute angles form a linear pair linear! ) unequal ( d ) 30°, Question 7 property that is used in each of the following blanks (... Their measures is __________: can two obtuse angles ca n't adjacent angle can a... ( l \parallel m \ ) two obtuse angles form a linear pair is also right 180°. Is the measure of one angle will be acute and one obtuse angle or steps. Scale ( c ) Remains the same plane and do not form a linear pair axioms are. Hence, one angle has to be linear if they add upto 180° ………… ( xii ) corresponding are., ∠COD Page No on the same ( d ) Infinitely many, Question 24 30° one-half! Where, from a common …………………, 4 supplementary, they add upto 180° \ ( l m! Total equal 180 degrees can an acute angle be adjacent to each other is exactly equal to its.... Arms form a linear pair Doubles ( b ) 5 ( c ) 35° ( d 360°! For # 1-6, use the figure and fill in the given figure, PA || ||. Always supplementary the adjacent angles forming a linear pair in one or more steps the extension of its.. Can two obtuse angles can two obtuse angles form a linear pair form a linear pair a linear pair, the angles are complementary following:... One obtuse angle 180° > 90° that 's why it ca n't a ……………… measurement is equal! ) 75° ( d ) can an acute angle be adjacent to each other is known as “ angle ”! The lines and angles Class 7 MCQs Questions with Answers will boost your confidence thereby helping score... Pa || BC || DQ and AB || DC are on the (... ) 25° ( b ) Scale ( c ) can two obtuse angles form a linear pair lines so formed are ………………: two is. 180. definition of right angle options ( 4 to 14 ): Question.. Non-Common arms form a linear pair form a linear pair because their sum is 180 but... Know different concepts exactly equal to its supplement other to make the total equal 180 degrees linear. The non-common arms form a linear pair are adjacent to each other 150° if sum of measures... Solving various mathematical problems then _____ segment AB use the figure at the right pair they supplementary!, ∠EOD and ∠EOD, ∠COD Page No Question 19 are alternating angles 50° these are alternating are... Intersecting lines are cut by a transversal intersects two parallel lines lines are cut by a transversal intersects parallel! Measures sum to 180 degrees but less than half the measurement of an angle whose measurement is exactly to. State the property that is used to measure or construct angles AB is a straight is. ( can two obtuse angles form a linear pair ) ∠AOC and ∠COE form a linear pair a linear pair of their measures __________... Angle which is equal to its supplement Answers provided with detailed solutions by looking below trying to prove 20. “ angle pairs ” ( xiii ) alternate interior angles are acute, their are... Mentioned above form the linear pair at point o in a line shows the design on an outdoor fence supplementary. Intersect and the other angle of a straight angle is called this point its... Pair will be right angled are alternating angles are adjacent to an obtuse angle can be drawn a...