Polygon Angle Sum

What is the formula for the Polygon Interior Angle Sum Theorem?

What part of the Polygon Interior Angle Sum Theorem tells you how many triangles make up a particular polygon?

Tags

CCSS.HSG.CO.C.10

The sum of the Exterior Angles of an Irregular Polygon must sum to what degree value?

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

• 1440

• 2340

• 900

• 1800

Tags

CCSS.7.G.B.5

CCSS.7.G.B.6

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

• 1080

• 540

• 900

• 360

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.

• 540

• 720

• 1440

• 360

Tags

CCSS.7.G.B.5

What is the SUM of the angle measures in a triangle (3 sides)?

• 60°
• 90°
• 120°
• 180°

Tags

CCSS.8.G.A.5

Which formula represents how to find the interior angle sum of any polygon?

• (number of sides - 2) x 180

• (number of sides + 2) x 180

• number of sides x 180

• number of sides x 360

A _________ polygon has no angles pointing inwards.

• convex

• concave

• round

• square

Tags

CCSS.2.G.A.1