Polygon Angle Sum

In the Polygon Interior Angle Sum Theorem, what does $n$  represent?

• The measure of the largest interior angle

• The number of sides of the polygon

• Nothing

• The number of triangles that compose the polygon

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

• 180°
• 5940°
• 1080°
• 169.71°

Find the sum of the angle measures for a 42-gon.

• 7560

• 7200

• 7380

• 7020

Find the measure of one angle in a REGULAR octagon.

• 155

• 145

• 135

• 125

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

Solve for x. 

• 100
• 120
• 125
• 130

Tags

CCSS.6.G.A.3

What is the sum of the measures of the exterior angles of a decagon?

• 1440⁰

• 360⁰

• 144⁰

• 1800⁰

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

• 27.7⁰

• 60⁰

• 72⁰

• 40⁰

Find the value of x.

• 540⁰

• 121⁰

• 134⁰

• 360⁰

Solve for x.

• 720

• 360

• 6

• 19