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Subject – Mathematics


                                            Chapter 7 – GEOMETRY:7.4

               Sub-topic 4 : COMPLEMENTARY AND SUPPLEMENTARY ANGLE


               Practice

               SUBJECTIVE QUESTIONS:

               I. Which two angles are complementary?
               a) 30° and 130°       b) 20° and 160°       c) 45° and 145°      d) 1° and 89°


               II. Which two angles are supplementary?
               a) 30° and 60°        b) 41° and 139°       c) 45° and 145°      d) 23° and 147°

               III. Two angles are supplementary and one of them is 31°
               What is the size of the other angle?

               IV. Two angles are supplementary and one of them is 127°
               What is the size of the other angle?

               OBJECTIVE QUESTIONS:


               1. Complementary angle of 65° is _____________.

               (a) 65°                           (b) 35°          (c)25°        (d)115°

               2. Complementary angle of 88° is ___________.

               (a) 22°                            (b) 2°          (c) 98°       (d) none of these


               3. Supplementary angle of 102° is _________.

               (a) 78°                           (b) 80°           (c) 12°       (d) none of these

               4. 6 degrees and 174 degrees are ___________ angles.

               (a) Supplementary                 (b) Complementary        (c)acute     (d) obtuse
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