The above hexagon is regular. What is ?

If the angles and are supplementary, what must be the value of ?

If a set of angles are supplementary, what must be the other angle if a given angle is ?

What angle do the minute and hour hands of a clock form at 6:15?

Suppose a set of intersecting lines. If an angle is 120 degrees, what must be the sum of the adjacent angle and the vertical angle to the given angle?

Solve for and .

(Figure not drawn to scale).

In triangle , and . Which of the following describes the triangle?

In , and are complementary, and . Which of the following is true of ?

If two angles of a triangle are radians, what must be the other angle in degrees?

The above figure is a regular decagon. Evaluate .