Interior and Exterior Polygons Practice

Find the value of x in the figures below:

Mathematical Equivalence

ON

What is the sum of the interior angles of a nonagon?

Mathematical Equivalence

ON

Find the value of x in the figures below:

Mathematical Equivalence

ON

Find the sum of the angles of a 17-gon.

Mathematical Equivalence

ON

What is the formula for the sum of interior angles in a polygon?

• 180(n−2)

• 180(n−2)÷n

• 360

• 360/n

What is the measure of a single interior angle for a regular pentagon?

• 900

• 540

• 360

• 108

What is the measure of a single interior angle for a regular octagon?

• 1440

• 1080

• 1800

• 135

What is the sum of exterior angles for a 27-gon?

• 4860

• 4500

• 360

• 270

If an exterior angle of a regular polygon has a measure of 36 degrees, how many sides does it have?

• 10

• 3

• 7

• 11

Solve for x

• 94

• 25

• 36

• 180