Angle of Polygon

What is the SUM of the angle measures in a nonagon (9 sides)?

• 1440°

• 900°

• 1080°

• 1260°

Which formula represents how to find the interior angle sum of any polygon?

• (number of sides - 2) x 180

• (number of sides + 2) x 180

• number of sides x 180

• number of sides x 360

Find the value of x.

• 110

• 90

• 130

• 120

Find the value of X

• 94

• 25

• 36

• 180

Find the measure of angle E.

• 9

• 97°

• 48°

• 79°

Tags

CCSS.HSG.C.A.3

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

• 3960

• 360

• 15

• 4280

Find the value of X.

• 100° 

• 110° 

• 150° 

• 168° 

Find the value of X.

• 100

• 120

• 125

• 130

The sum of the interior angles in a polygon is 3,240^o.  How many sides are in the polygon?

• 10

• 582,840

• 18

• 20

What is the measure of angle x in the polygon?

• 91

• 451

• 449

• 180