Interior and Exterior Polygons Practice

Find the measure of the indicated angle. 

• 89

• 211

• 119

• 81

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

• 3960

• 360

• 15

• 4280

How do you find the sum of the exterior angles of a polygon?

• 180(n-2)

• 180

• (180(n-2))/n

• 360

Solve for x.

• 80

• 110

• 17

• 60

What is the sum of the exterior angles of a 20-gon?

• 180

• 360

• 3240

• 162

What is the measure of ONE interior angle of a regular 20-gon?

• 90

• 146

• 162

• 122

What is the measure of angle b?

• 36^o

• 56^o

• 63^o

• 117^o

Find the measure of each interior angle and each exterior angle of an 18-gon.

• Each interior angle: 160 degrees

  Each exterior angle: 20 degrees

• Each interior angle: 20 degrees

  Each exterior angle: 160 degrees

• Each interior angle: 2880 degrees

  Each exterior angle: 360 degrees

• Each interior angle: 108 degrees

  Each exterior angle: 72 degrees

The sum of the measures of the interior angles of a convex polygon is 3240 degrees. Classify the polygon by the number of sides.

• 16

• 18

• 20

• 22

Find the value of x.

• 99 degrees

• 199 degrees

• 261 degrees

• 360 degrees