1) What are adjacent angles? a) Two angles whose sum is 90° b) Two angles that share a common arm and vertex c) Two angles whose sum is 180° d) Two angles that are opposite each other 2) Complementary angles always add up to: a) 60° b) 90° 3) Supplementary angles always add up to: a) 150° b) 180° c) 90° d) 120° 4) Which of the following pairs is complementary? a) 30° and 60° b) 100° and 80° c) 60° and 30° d) 20° and 70° 5) Which of the following pairs is supplementary? a) 40° and 50° b) 90° and 90° c) 60° and 30° d) 20° and 70° 6) Adjacent angles always share: a) One vertex only b) B. One arm and one vertex c) One arm only d) No common sides 7) If one angle of a complementary pair is 25°, the other angle is: a) 55° b) 65° c) 75° d) 85° 8) Two supplementary angles are 110° and _____. a) 57° b) 70° c) 80° d) 60 9) Two angles form a straight line. They are: a) Complementary b) Adjacent c) Vertically opposite d) Right angles 10) The sum of complementary and supplementary angles is: a) 90° and 120° b) 180° and 360° c) 90° and 180° d) 45° and 90°

Angles Quiz

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