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Answer (i) No, because sum of two acute angles is less than 1 8 0 o. (v) If two adjacent angles are supplementary, then they form a ……….. (vi) Angles of a linear pair are as well as ……….. (vii) Adjacent angles have a common vertex, a common ……….. and no common ……… (viii)Angles formed by two intersecting lines having no common arms are called ……….. (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 …….. (x) Two lines in a plane which never meet are called ………. (b) x = 35 true or false: a triangle can have 2 right angles. True or False? True - 45 and 45 degrees. Angles /_a and /_b are complimentary (sum of them equals to 90^o) and acute. (b) obtuse , A pair of vertical angles can be complementary. In the given figure, if l || m then the value of x is (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 obtuse angles. 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 gitsen figure, if l || m then the value of x is Solution: Question 3. Complementary angles need to be adjacent. (c), Question 6. If two angles are acute, then they are supplementary. 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(vi) 30° is one-half of its complement. (iii) Two obtuse angles can form a linear pair. 1. Solution: True Since, 90° + 90° = 180°, a supplementary angle. If ∠APQ = 50° and ∠PRD = 130°, then ∠QPR is (a) 30° (b) 50° (c) 80° (d) 130° Solution: In the given figure, AB || CD, ∠APQ = 50° ∠PRD = 130°, ∠QPR = ? State whether the following statements are true (T) or false (F): Two acute angles can be supplementary. Observe the figure and fill in the following blanks: (i) ∠AOC and ∠COE form a pair of ……….. angles. (vii) If two lines are cut by a transversal, then each pair of corresponding angles are equal. Question 3. (vii) Adjacent angles have a common vertex, a common arm, and no common interior points. When the sum of the measures of two angles is 90°, the angles are called (d) 150° The Sum Of The Measure Of The First Angle And Half The Second Angle Is 80.5%. have a point in common). find a quadratic polynomial whose zeroes are √7 and -√7 Q11. (a) 1 (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 …….. There are 3 interior angles in a triangle; therefore no two angles in a triangle can ever be supplemental whether it is a right triangle or not. if an angle and two sides of one triangle are congruent to an angle and two sides of another triangle, then the triangles are congruent. Vertical angles must have the same measure. False As two acute angles can make a pair of complementary angles. Click here to get an answer to your question ️ True or False can two obtuse angles can be supplementary Nakaya102 Nakaya102 01/20/2015 Mathematics Middle School True or False can two obtuse angles can be supplementary 1 See answer Nakaya102 is waiting for your help. Solution: (i) If two angles are complementary, then the sum of their measures is 90°. Created by. (False) Correct: As the sum of two obtuse angles is greater than 180°. (xii) Corresponding angles are the same side of the transversal. How Can A Triangle Have Three Right Angles? (b), Question 5. Ans : False 4. If two angles add up to measure 90° then they are known as complementary angles. two angels complementary to the same angle are congruent … (b), Question 11. (b) 55° (ii) ∠AOC and ∠COB are ……….. angles. The Acute Angles Of Any Right Triangle Are Supplementary. (viii) If two lines are cut by a transversal, then each pair of alternate interior angles are equal. No, two acute angles cannot form a supplementary angle. (ii) No, because sum of two obtuse angles is more than 1 8 0 o, (iii) Yes, because sum of two right angles is 1 8 0 o. TRUE/FALSE DIRECTION : Read the following statements and write your answer as true or false. (viii) Angles formed by two intersecting lines having no common arms are called vertically opposite angles. Books; Test Prep; Summer Camps; Office Hours; Earn Money ; Log in ; Join for Free. Complementary angles must be acute true or false - 7570132 unknown128 unknown128 12/07/2017 Mathematics Middle School Complementary angles must be acute true or false See answer Brainly User Brainly User True because their sum is 90 degrees. truth or false. Complementary angles must be acute. (v) Pair of vertically opposite angles are always supplementary. (iv) Two angles forming a linear pair are supplementary. 100. Enroll in one of our FREE online STEM summer camps. (d) x = 115° true or false: Q is the vertex of Angles-> SOLUTION: - Find one counterexample to show that each conjecture is false.1. Verticle angles are opposite to each other when two lines cross. Solution: Question 2. (c) right (vii) Adjacent angles have a common vertex, a common ……….. and no common ……… 162 o Obtuse. State whether the following statements are true (T) or false (F): (i) Two obtuse angles can be supplementary. Solution: Question 11. A pair of supplementary angles is (a) 55°, 115° (b) 65°, 125° (b) 47°, 133° (d) 40°, 50° Solution: A pair of supplementary angles is 47°, 133°. true or false 1.vertically opposite angles are always supplementary. (xiv) If two lines are cut by a transversal such that a pair of corresponding angles are not equal, then the lines are not parallel. Using the reflex angle, we can find the measure of the acute angle. Solution: Question 14. Then, ∠A + ∠B = 25° + 63° = 88°. (xii) Corresponding angles are on the ……….. side of the transversal. Otherwise false. (d) 60°, 130° Solution: Question 10. Two supplementary angles always form a linear pair.\n\\phi. Office Hours ; Earn Money ; Log in ; join for Free 37 ) Complentery messure! Students can also refer to NCERT Solutions for Class 7 Maths Chapter 5 lines angles. One common arm Angles- > solution: ( i ) if two angles a... Than 180° adjacent angles are equal Aggarwal Solutions and NCERT Solutions, July 18 2020... 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