Find the Interior Angle of the Polygon

b. Find the measure of one interior angle for the regular polygon.

Find the interior angle sum for the polygon shown in the diagram.

• 540

• 720

• 1440

• 360

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

• 150

• 120

• 1800

• 20

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 interior angle sum for the polygon shown in the diagram.

• 1440

• 2340

• 900

• 1800

Find the interior angle sum for the polygon shown in the diagram.

• 1080

• 720

• 1440

• 1620

Find the interior angle sum for the polygon shown in the diagram.

• 1620

• 900

• 540

• 360

Find the sum of the interior angles of a nonagon.

• 1260

• 900

• 1620

• 180

Solve for x. 

• 100

• 120

• 125

• 130

The sum of the interior angles of a polygon is __________________ where n is the number of sides.

• (n - 2)180

• (n - 1)180

• 360

• (n - 3)(180)