Polygon Sums Interior and Exterior

Find the measure of one interior angle in regular 25-gon. Round your answer to the nearest tenth if necessary.

• 164.3⁰

• 167.1⁰

• 165.6⁰

• 166.7⁰

Find the measure of one exterior angle in the regular polygon. Round your answer to the nearest tenth if necessary.

• 32.7⁰

• 90⁰

• 45⁰

• 60⁰

Find the value of x.

• 540⁰

• 121⁰

• 134⁰

• 360⁰

• The measure of the largest interior angle

• The number of sides of the polygon

• Nothing

• The number of triangles that compose the polygon

• 20 sides

• 21 sides

• 12 sides

• 180 sides

What is the equation for finding the sum of interior angles for any polygon with n number of sides?

• 360

• 180(n-2)

• 360(n-2)

• 180n

Solve for x:

The sum of the measures of the angles of a polygon is 1620. Find the number of sides of the polygon.

• 9

• 14

• 11

• 12

If the measure of each exterior angle of an equiangular polygon measures 24 degrees, how many sides does the polygon have?

• 15

• 11

• 12

• 17

Find the sum of the measures of the interior angles of a regular octagon.

• 720 degrees

• 1800 degrees

• 1080 degrees

• 2340 degrees