Sum of Exterior Angles of a Polygon

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

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 value of x?

• 26.25

• 38.75

• 24

• 25.125

Find the value of x

• 87°

• 54°

• 101°

• 92°

Tags

CCSS.HSG.CO.C.11

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

• 180

• 360

• 3240

• 162

Find the sum of the exterior angles of a dodecagon.

• 180 degrees

• 270 degrees

• 90 degrees

• 360 degrees

If you wanted to find the sum of the exterior angles of a decagon, which formula would you use?

• (n-2)*180

• 360/n

• (n-2)*180/n

• 360 degrees

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

• 4860

• 4500

• 360

• 270

Find the value of X.

• 60

• 120

• 85

• 55

Find the value of y.

• 125

• 135

• 140

• 110

Tags

CCSS.7.G.B.5