Polygon Test Review

What is a shape with two sets of parallel sides called?

• trapezoid
• parallelogram
• kite
• angle

• 15
• 23
• 30
• 46

True or False.
All quadrilaterals have supplementary consecutive angles.

• True
• False

The sum of the measures of the exterior angles of a polygon is larger than the sum of the interior angles. 

• Sometimes
• Always
• Never

Two interior angles of a triangle are supplementary. 

• Sometimes
• Always
• Never

Two exterior angles of a triangle are supplementary. 

• Sometimes
• Always
• Never

What is the measure of an exterior angle in a regular triangle?

• 360
• 60
• 120
• 180

What is the measure of one interior angle of a regular 45-gon?

• 180
• 360
• 172
• 93

What is the sum of the exterior angles of a 20-gon?

• 180
• 360
• 3240
• 162

How do you find the sum of the interior angles of a polygon?

• 180(n-2)
• 180
• (180(n-2))/n
• 360