Sum and Individual Interior Angles of Polygons

• a

• b

• c

• d

Find the sum of the interior angles for the polygon.

Answer explanation

What is the sum of interior angles of this shape

• 1080

• 1440

• 1260

• 900

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

What is the formula to find the sum of interior angles in a polygon?

• 180

• (n-2)

• n

• 360

• /

• 2

Find the sum of the interior angles for the polygon.

Answer explanation

• 10

• 12

• 14

• 16

What is the SUM of the angle measures in a nonagon (9 sides)?

• 1440°

• 900°

• 1080°

• 1260°

What is the sum of the interior angles inside an octagon?

• 135

• 1440

• 1080

• 2160