Interior & Exterior Angles of Polygons

What is a polygon called if the sum of its interior angles equals 1440° ?

• Octogon

• Nonagon

• Decagon

• Dodecagon

What is the SUM of the angle measures in a hexagon (6 sides)?

• 720°

• 1080°

• 600°

• 540°

Solve for x.

• 181

• 151

• 137

• 91

Find the value of y.

• 125

• 135

• 140

• 110

The following polygon is a Regular Pentagon. Find the measure of EACH EXTERIOR angle of the polygon.

• 50°

• 55°

• 72°

• 355°

What is the measure of one EXTERIOR angle of a regular octagon?

• 60

• 45

• 1080

• 135

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

• 3960

• 360

• 15

• 4280

Find the value of X.

• 100

• 120

• 125

• 130

A polygon has a sum of interior angle measures equal to 1620°. How many sides does the polygon have?

• 9

• 11

• 13

• 7

Find the measure of angle K.

• 9

• 97°

• 48°

• 79°