What is the sum of three angles in a hexagon if the perimeter of the hexagon is ?

True or false: Each of the exterior angles of a regular pentagon measures .

Given: Pentagon .

True, false, or undetermined: Pentagon is regular.

Let the area of a regular pentagon be . What is the value of an interior angle?

Add four interior angles in a regular pentagon. What is the result?

What is the sum of two interior angles of a regular pentagon if the perimeter is 6?

Suppose an interior angle of a regular pentagon is . What is ?

True or false: Each of the five angles of a regular pentagon measures .

The angles at 3 verticies of a pentagon are 60, 80 and 100. Which of the following could NOT be the measures of the other 2 angles?