Finding Interior and Exterior Angles of a Polygon

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

• S= (n-2)180

• S= (n-180)2

• S= (n-2)180/n

• S= (n - 180)2/n

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

• 3960

• 360

• 15

• 4280

The sum of 5 angles of a hexagon is 600^o.  What is the measure of the 6th angle?

• 90^o

• 120^o

• 100^o

• 60^o

Find the measure of angle E.

• 9

• 97°

• 48°

• 79°

Solve for x. 

• 100

• 120

• 125

• 130

Tags

CCSS.3.MD.D.8

• 94

• 124

• 90

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

• 180° 

• 540° 

• 720° 

• 1080° 

Find the measure of the angle x.

• 105

• 115

• 65

• 75

Determine the measure of one exterior angle in regular hexagon.

• 135°

• 360°

• 1080°

Solve for x.

• 220

• 110

• 250

• 125

Tags

CCSS.8.G.A.5