Time Left: 600 sec

1. When the sum of the measures of two angles is 90°, the angles are called

2. The sum of the measures of two complementary angles is

3. The measure of the complement of the angle 30° is

4. Which of the following statements is true?

5. The measure of the angle which is equal to its complement is

6. Which of the following pairs of angles is not a pair of complementary angles?

7. When the sum of the measures of two angles is 180°, the angles are called

8. The sum of the measures of two supplementary angles is

9. The measure of the supplement of the angle 120° is

10. Which of the following statements is true?

14. In the following figure, l || m. Find the measure of ∠ x.

18. Find the measure of the angle which is half of its supplementary angle?

19. Find the measure of the angle which is double of its complementary angle?