Two angles are said to be linear if they are adjacent angles formed by two intersecting lines. (b) 90° (d) None of these. Answer. The sum of the measures of two angles is 180°, the angles are called ………… angles. (a) x = 60° (c) x = 105° (i) ∠AOC and ∠COE form a pair of ……….. angles. 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. (c) 75° (d) None of these. Answer: true. (b) 0° Complementary to 95° angle is : Can two obtuse angles be adjacent angles? The measure of one angle is 15 less than half the measurement of its supplement. (c) intersecting Explanation: A linear pair of angles is formed when two lines intersect. (c) A zero angle (v) If two adjacent angles are supplementary, then they form a ……….. Answer: (b) 180° Name an angle supplementary to . In the given figure, if l || m then the value of x is (d) None of these. ... if two angles form a linear pair, then the two angles are supplementary. Complementary to 70° angle is : 18. Question 14. (d) Collinear lines, Question 15. Answer: (b) (a, b) and (c, d) Name a pair of adjacent angles. (b) 55° One acute and one obtuse angle can be supplementary. (a) complementary (a) 25° (c) 80° If two lines are parallel then corresponding angles are equal. (iv) ∠BOE is …………. Answer: (a) x = 60° (a) (a, d) (c) 0 + 95 If in the given figure \( l \parallel m \) then : Answer/Explanation. (d) straight (vii) Adjacent angles have a common vertex, a common ……….. and no common ……… (c) Protractor (b) x = 60° (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) none of these. Solution: Question 8. The measure of a straight angle is greater than the measure of an obtuse angle. ∠ y + ∠ x = 60° + 120° = 180° Have one common side "op". Students are advised to solve the Lines and Angles Multiple Choice Questions of Class 7 Maths to know different concepts. (a) 45° Adjacent angles have a common …………… and a common …………………, 4. Find the value of x in the given figure if lines \( p \parallel q \) : (d) 4 (a) 1 How many rays can be drawn from a given point? Answer: (a) x = 50° Right angle. sometimes. (vi) 30° is one-half of its complement. Yes Are ∠1, ∠2 a linear pair? Intersecting lines form linear pair of angles. For #1-6, use the figure at the right. (c) 25°, 75° (b) obtuse If the sum of two adjacent angles is 180∘ 180 ∘, then the non-common arms form a line. (b) If one of the angles is obtuse, then other angle of a linear pair is acute. Name a pair of complementary angles. (d) Infinitely many, Question 19. (vii) Can two right angles form a linear pair? (a) acute Measure of the supplement of 0° : A line that intersects two or more lines at distinct points is called (d) A right angle, Question 13. Sum of supplementary angles is 180°. (b) 65°, 125° The other two pairs of angles are adjacent but they do not form a linear pair. CBSE Maths notes, CBSE physics notes, CBSE chemistry notes. (d) 60°, 130° Question 4. Question 6. Answer: (a) 90° 4. (d) 45°, Question 3. (a) 130°, 50° 19. Question 18. State the property that is used in each of the following statements: (b) 125° (iii) ∠AOC is ………… of ∠COD. 5.2.4 Linear Pair A linear pair is a pair of adjacent angles whose non-common sides are opposite rays. Observe the following diagram of a Linear Pair ∠ x and ∠ y are two adjacent angles because: Both are supplementary to each other i.e. Solution: Question 1. What is the supplement of 105° No,two obtuse angles can't form a linear pair. (b) 50° Answer: (d) None of these Supplementary angles are linear pairs. The sum of the measures of the angles in a linear pair is (a) 90° (b) 180° Which instrument is used to measure or construct angles? (a) An obtuse angle 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. 3. The sum of the measures of two angles is 90°, the angles are called ………….. angles. (a) An obtuse angle Suppose two angles ∠AOC and ∠ BOC form a linear pair at point O in a line segment AB. 5.2.4 Linear Pair A linear pair is a pair of adjacent angles whose non-common sides are opposite rays. (ii) Two acute angles can form a linear pair. Solution: Choose the correct answer from the given four options (4 to 14): (c) unequal Question 14. Answer. Download All PDF fi les from www.rava.org.in. If an angle measures 10° more than its complement, then the measure of the angle is Two angles form a linear pair. (a) 135° then each pair of alternate interior angles are equal. Answer: (d) Explanation : (a) Two acute angles can form a linear pair. (v) Pair of vertically opposite angles are always supplementary. If the supplement of an angle is 65 o, then find its complement. Vertically opposite angles are equal. (b) Triples A reflex angle is called an angle which is greater than 180 degrees but less than 360 degrees. (i) Two obtuse angles can be supplementary. (c) 45° – 145° 24. Question 29. (b) 75° 1. Name two obtuse vertical angles. (c) 75° (i) If two angles are complementary, then the sum of their measures is ……….. Question 1. What do we call an angle whose measurement is exactly equal to 0°? (d) None of these. (b) 50° 25. Can two obtuse angles form a linear pair ? Fill in the blanks: (i) Fig 5.11 (ii) 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. Question 25. (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 …….. (b) supplementary Then the values of x and y are respectively: Moreover, if there is one common line for two angles, then it is known as “angle pairs”. The measure of an angle is three times the measurement of its complement. Can two right angles forms a linear pair ? Two Adjacent Angle Can Be Complementary Too If They Add Up To 90°. Solution: Question 5. Identify supplementary pair of angles : (b) l ≠ m (d) Set squares, Question 24. ... Two angles whose degree measures sum to 180 form a linear pair. (b) An acute angle 14. State whether the following statements are true (T) or false (F): Question 1. (a) Compasses (x) Two lines in a plane which never meet are called ………. (a) 60° (b) 45° If two adjacent angles are supplementary, then they form _________ . Name two acute vertical angles. (iv) Can two adjacent angles be supplementary? (a) \( l \parallel m \) (a) Perpendicular lines Now if ∠ABC and ∠CBD for a linear pair, ∴∠ABC + ∠CBD = 180° also given that ∠ABC and ∠CBD are of equal measure ∴ ∠ABC + … Question 4. an angle with measure equal to 90. (Why?) Name two acute adjacent angles. Solution: Question 10. (c) 135° Answer. (b) 30° (a) 180° State whether the given statements are true or false: Question 1. (d) none of these. (a) 30° (a) 65°, 115° Can an acute angle be adjacent to an obtuse angle? (b) 25° Solution: Question 3. If two lines intersect at a point, then the vertically opposite angles are always ________ . (iii) Supplement of an obtuse angle is ………. What do we call an angle which exactly measures 90°? (ii) ∠AOC and ∠COB are ……….. angles. Are ∠1, ∠2 a linear pair? (c) 175° (d) x = 25 If the sum of two adjacent angles is 180∘ 180 ∘, then they are called a linear pair of angles. (a) 0° In the given figure value of x is : (d) None of these. (c) 35° The measure of a straight angle is 180 degrees, so a linear pair of angles must add up to 180 degrees. (a) parallel Calculate the measure of each lettered angle in the following figures (parallel line segments / rays are denoted by thick matching arrows): always. Question 4. 108. Example 4: 1 and 2 form a linear pair so m 1 + m 2 = 180° therefore the angles … Name a linear pair. Solution: No, two acute angles cannot form a pair of supplementary angles. An angle is a figure where, from a common position, two rays appear. Sum of two angles is 90°. of ∠EOA. i.e., ∠AOB, ∠AOE; ∠AOE, ∠EOD and ∠EOD, ∠COD Page No. 1. (vii) If two lines are cut by a transversal, What are the lines which lie on the same plane and do not intersect at any point called? 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. However, just because two angles are supplementary does not mean they form a linear pair. What is the measure of the complement of 65°? (xiv) If two lines are cut by a transversal such that a pair of corresponding angles are not equal, then the lines are ……….. Can two right angles forms a linear pair ? E. The last statement of a proof should be the statement of what you are trying to prove. (a) supplementary Pairs of alternate interior angles, Answer: \(\angle 3\) and \(\angle 6\), \(\angle 4\) and \(\angle 5\), Question 5. Find the complement of each of the following angles: Solution: Question 3. (b) 30° (vii) If two lines are cut by a transversal, then each pair of corresponding angles are equal. (d) a ray, Question 32. (b) (a, b) and (c, d) Sum of supplementary angles is 180°. Measure of the supplement of 100° : (a) 45° (a) a linear pair of angles In the given figure, AB is a straight line and OD ⊥ AB. (d) None of these. (d) A reflex angle, Question 20. Answer: true. definition of obtuse angle. 3 is a right angle II. Question 33. (d) 27°, 53° (c) 15° 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 If two angles are supplementary then the sum of their measures is __________. (c) Corresponding angles Question 3. 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. Solution: Question 14. Lines AB and CD are intersecting each other. (a) 50°, 120° (iv) Two adjacent angles always form a linear pair. (d) None of these. (a) Two acute angles can form a linear pair. Two angles in a linear pair are adjacent to each other. (d) None of these. (c) 60°, 120° (Why?) Answer. Answer: (c) None of these Two lines intersect and the vertically opposite angles so formed are ………………. (c) x = 70 Two angles forming a linear pair are ……………. (b) 50°, 130° What is a pair angle? (b) transversal The vertex of the angle is called this point and its arms or sides are called the two rays forming the angle. vertical angles are congruent. (c) 80° If two adjacent angles are supplementary, they form a ………………. Can two adjacent angles be complementary? If one angle of a linear pair is acute, then the other angle is 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.

Lds Living Operation Underground Railroad, Vegetarian Culinary School, Nothing Is Wasted Bible Verse, Natick, Ma Tax Assessor, Ppfd For Succulents, I Appreciate You In Chinese, Ppfd For Succulents, Vegetarian Culinary School, Dragon Professional Individual 16, Nothing Is Wasted Bible Verse, How To Replace A Tub Surround With Tile, Jiffy Lube Coupon Canada,