Angles of Polygons

What is the sum of exterior angles of a pentagon?

• 180
• 360
• 540
• 760

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

• 8
• 11
• 3
• 16

Find the value of X.

• 100
• 120
• 125
• 130

Solve for x

• 45
• 12
• 90
• 2

What is the measure of ONE interior angle in a regular hexagon (6 sides)?

• 60°
• 80°
• 108°
• 120°

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 measures of one interior angle of a regular polygon is 140^o. How many sides does it have?

• 10

• 9

• 7

• 6

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

• 180(n−2)

• 180(n−2)÷n

• 360

• 360/n

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

• 180(n−2)

• 180(n−2)÷n

• 360

• 360/n

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

• 3960

• 360

• 15

• 4280