Angles of Polygons

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

• 180°

• 540°

• 720°

• 1080°

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

• 720°

• 900°

• 1080°

• 1260°

Find the value of X

• 94

• 25

• 36

• 180

What is the formula for one interior angle in a regular polygon?

• 180(n−2)

• 180(n−2)÷n

• 360

• 360/n

Find the value of X.

• 100

• 120

• 125

• 130

What is the formula for the sum of the interior?

• S=360

• S=(n-2)180

• n=360/ext. angle

• 1 int. angle + 1 ext. angle=180

The sum of the interior angles of a polygon is 1620°.  How many sides does the polygon have?

• 8

• 11

• 3

• 16

The sum of the interior angles of a polygon is 3960°. How many sides does the polygon have?

• 12

• 24

• 25

• 13

Solve for x

• 45

• 12

• 90

• 2

Find the measure of the indicated angle. 

• 35

• 145

• 78

• 67