Polygon Interior Angle Sum

Find the sum of the interior angles for the polygon.

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

• a

• b

• c

• d

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

• 3600

• 1800

• 2160

• 12

What is the sum of the interior angles of a decagon (10-sided polygon)?

What is the sum of the interior angles of this polygon?

(a)  

What is the sum of interior angles of this shape

• 1080

• 1440

• 1260

• 900

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 the interior angles for the polygon.

Answer explanation

What is the interior angle sum of a pentagon? (5-gon)

• 540 degrees

• 720 degrees

• 360 degrees

Answer explanation

Pentagon like THE Pentagon