Polygons Interior Angle Exterior

Find the value of x.

Find the interior angle on a regular polygon with 5 sides...

• 72^o

• 108^o

• 60^o

• 120^o

What is the formula for the sum of interior angles in a polygon?

• 180(n−2)

• 180(n−2)÷n

• 360

• 360/n

What is the sum of interior angles for a pentagon?

• 900

• 540

• 360

• 108

Solve for x

• 112

• 116

• 90

• 244

Find the exterior angle on a regular polygon with 40 sides...

• 9^o

• 8^o

• 171^o

• 172^o

What is the sum of interior angles for an octagon?

• 1440

• 1080

• 1800

• 135

What is the measure of a single exterior angle for a regular pentagon?

• 360

• 108

• 72

• 36

A polygon has to have

• at least two sides

• at least three sides

• four or more sides

• no sides

How many sides does a decagon have?

• 12

• 9

• 7

• 10