Polygon Exterior Angle Sum

The sum of the exterior angles of a polygon is __________________ where n is the number of sides.

• 360

• n

• (n - 2)180

• (n - 1)180

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

• 180

• 360

• 3240

• 162

Find the measure of ONE exterior angle of a regular decagon.

• 36

• 10

• 18

• 40

Find the value of the variable(s).

• x = 50, y = 69

• x = 100, y = 50

• x = 100, y = 69

• x = 50, y = 50

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

• 180

• 360

• 3240

• 162

What is the sum of exterior angles for a 27-gon?

• 4860

• 4500

• 360

• 270

What is the value of x?

• 26.25

• 38.75

• 24

• 25.125

Find the value of x

• 87°

• 54°

• 101°

• 92°

Find the number of sides of a polygon with one exterior angle measuring 6⁰.

• 60

• 30

• 20

• 10

Find the value of X.

• 100

• 120

• 125

• 130