Interior and Exterior Angles in Polygons

How many degrees is each interior angle of a regular hexagon?

• 120

• 60

• 180

• 36

How many degrees is each interior angle of a regular octagon?

If a regular polygon has an exterior angle equal to 20 degrees, how many sides does the polygon have?

• 20

• 18

• 15

• 12

Solve for x

Each of the interior angles of a regular polygon is 150°. How many sides does the polygon have? (Select the correct setup)

What is the sum of the interior angles of a regular dodecagon (12-sided polygon)?

Find the missing angle of the 5-sided shape.

What is the sum of the exterior angles of a regular octagon (8 sides)?

Find the measure of y.

Find the measure of A.

Tags

CCSS.HSG.C.A.3