When two parallel lines are cut by a transversal, then the co-interior angles are

1. equal
2. supplementary
3. complementary
4. always unequal

A pair of complementary angles is

1. 42° 16', 47° 34'
2. 34° 10', 55° 50'
3. 53° 27', 29° 33'
4. 19° 26', 70° 36'

The measures of two supplementary angles are in the ratio 4 : 11. What is the measure of the greater angle?

1. 106°
2. 121°
3. 132°
4. 154°

An angle is 80° less than three times its supplement. The angle is

1. 75°
2. 85°
3. 105°
4. 115°