1. Which angle is adjacent to angle 9?
2. Which angle is complementary to angle 1?
3. Which angle is congruent to angle 8?
4. If angle 3 is 110º, what is the the sum of angle 2 and angle 6?
5. Angle 4 and what angle are supplementary?
6. What angle is supplementary to angle 5?
7. If angle 1 is 9xº and angle 8 is (15x – 6)º, find the value of x.
8. If angle 8 is 56º and angle 5 is 81º, find the measure of angle 4.
9. If angle 9 is (18x + 24)º and angle 7 is (9x – 6)º, find the value of x.