polygon angle quiz

A polygon with six sides is called a(n) ______________.

• hexagon

• pentagon

• decagon

• septagon

The sum of the interior angles of a polygon is __________________ where n is the number of sides.

• (n - 2)180

• (n - 1)180

• 360

• (n - 3)(180)

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

• 1440°

• 900°

• 1080°

• 1260°

Find the measure of one interior angle in regular pentagon. Round your answer to the nearest tenth if necessary.

• 108

• 128.6

• 120

• 144

If the sum of the measures of the interior

angles of a polygon is 5400°, how many sides

does it have?

• 13 sides

• 30 sides

• 32 sides

• 15 sides

If the sum of the interior angles of a polygon equals 900°, how many sides does the polygon have? 

• 7

• 9

• 10

• 12

What is the SUM of the angle measures in a 35-gon?

• 180°

• 5940°

• 1080°

• 169.71°

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

• 180

• 360

• 3240

• 162

What is the measure of angle b

• 146

• 34

• 36

• 136

Find the missing angle.

• 66

• 76

• 86

• 96