Mixed Practice Polygons

Find the measure of ONE exterior angle of a regular decagon.

• 36

• 10

• 18

• 40

Find the measure of ONE interior angle of a regular dodecagon.

• 150

• 120

• 1800

• 20

• 20 sides

• 21 sides

• 12 sides

• 180 sides

A polygon's interior angles add up to 2700.  How many sides does the polygon have?

• 17

• 15

• 19

• 11

What is the SUM of the angle measures in a 35-gon?

• 180°

• 5940°

• 1080°

• 169.71°

What is the sum of the interior angles for a 24-gon?

• 3960

• 360

• 15

• 4280

Solve for x

• 45

• 12

• 90

• 2

What is the measure of EACH interior angle of a regular octagon?

Find the value of x.

Solve for x.