Refer to the above figure, which shows Square and regular Pentagon .

Evaluate .

Refer to the above figure. is equilateral, and Quadrilateral is a square.

Evaluate .

Three consecutive even angles add up to . What must be the value of the second largest angle?

Note: Figure NOT drawn to scale.

Refer to the above figure. is equilateral and Pentagon is regular.

Evaluate .

Give the number of sides of a regular polygon whose interior angles have measure .

Give the measure of each interior angle of a regular 72-sided polygon.

What is the measure of each angle of a regular octagon?

Note: Figure NOT drawn to scale.

The above hexagon is regular. What is ?

The above octagon is regular. What is ?

Refer to the above diagram.

Which of these is a valid alternative name for ?