1. If angle A and angle B are complementary, what is the sum of their measures? A. 500 B. 90° C. 1400 D. 1800 2. If the measure of the angle is equal to the measure of its complement, what is the measure of the angle? A. 25° B. 450 C.550 D. 900 3. What is the measure of the two angles that are congruent and supplementary? A 45° B. 900 C. 1000 D. 180° 4. If two angles form a linear pair and the measure of one is 47 degrees, what is the measure of the other? A. 1530 B. 1430 C. 133° D. 1239 5. When vertical angles are formed, what can you say about their measures? A. acute B. congruent C. complementary D. right​