Interior Exterior Angle Sum of Polygons

Find the sum of the interior angles for the polygon.

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

Find the measure for one exterior angle of this polygon.

Find the sum of the interior angle measures of a convex 20-gon.

• 3240 degrees

• 3600 degrees

• 5400 degrees

• 3060 degrees

Find the sum of all the exterior angles for this polygon.

Find the value of x.

Tags

CCSS.8.G.A.5

Find the value of x.

Tags

CCSS.8.G.A.5

Find the value of x.

Tags

CCSS.8.G.A.5

What is the SUM of the INTERIOR angles of a 12-gon?

• 3600

• 1800

• 2160

• 12

A polygon has a sum of interior angle measures equal to 1620°. How many sides does the polygon have?

• 9

• 11

• 13

• 7