Interior and Exterior Angles of a Polygon

• A
• B
• C
• D

• A
• B
• C
• D

Solve for x

• 12

• 11

• 8

• 6

Find the angle Find the angle sum of the interior angles of the polygon. of the polygon.

• 720° 

• 900° 

• 1080° 

• 1260° 

Find the value of y.

• 125

• 135

• 140

• 110

Convex or Concave?

• Convex

• Concave

What is the sum of interior angles of a pentagon?

• 360

• 540

• 180

• 760

What is the measure of each interior angle of a regular octagon?

• 135

• 180

• 145

• 190

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

• 90

• 146

• 162

• 122

How many interior angles does a pentagon have?

• 5

• 6

• 7