Sum of the Interior and Exterior Angles of Polygons

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

• 13

• 14

• 15

Solve for x

• 15

• 16

• 17

Solve for the m<C

• 93

• 96

• 102

• 11

• 13

• 15

• 94

• 124

• 90

Solve for x

• 19

• 14

• 10

• 12

• 19

• 103

• 20

• 115

What is the sum of measures of interior angles of a 23 gon?

• 3460

• 3620

• 3780

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

• 22

• 24

• 26

What is the measure of each exterior angle of a regular 30-gon?

• 15

• 12

• 19