Polygon Interior and Exterior Angle Sum

What is the sum of the measures of the exterior angles of a dodecagon?

• 180

• 360

• 1440

• 144

If the sum of the interior angles of a polygon is 1,980° , how many sides does it have?

• 13

• 14

• 15

If an exterior angle of a regular polygon measures 15°, how many sides does it have?

• 23

• 24

• 25

Solve for x

• 15

• 16

• 17

Solve for the m<C

• 93

• 96

• 102

• 19

• 20

• 21

• 11

• 13

• 15

The sum of the interior angles of a polygon is 3960°. How many sides does the polygon have?

• 22

• 24

• 26

• 94

• 124

• 90

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

• 1080

• 720

• 900

• 1260