Polygons Interior

What is the sum of the interior angles for a      24-gon

• 3960

• 360

• 15

• 4280

Find the measure of one interior angle in each regular polygon. Round your answer to the nearest tenth if necessary.

• A

• B

• C

• D

Is the figure a polygon? Is it convex or concave?

• Not a polygon, convex

• Polygon, convex

• Not a polygon

• Polygon, concave

Tags

CCSS.2.G.A.1

How many sides does a decagon have?

• 12

• 9

• 7

• 10

Tags

CCSS.2.G.A.1

Find m∠B

• 63

• 69

• 79

• 80

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

• 1440°

• 900°

• 1080°

• 1260°

What is the SUM of the angle measures in a hexagon (6 sides)?

• 720°

• 1080°

• 600°

• 540°

Find the measure of one interior angle in each regular polygon. Round your answer to the nearest tenth if necessary.

• A

• B

• C

• D

A shape with 8 sides is called a __________.

• octagon

• pentagon

• hexagon

• triangle

Tags

CCSS.2.G.A.1

This is a pentagon. Pentagons have...

• 5 sides and 5 angles

• 3 sides and 2 angles

• 2 sides and 3 angles

• 10 sides all together

Tags

CCSS.2.G.A.1