Geometry Questions

What is the sum of the measures of the interior angles of an octagon?

• 1080°

• 720°

• 900°

• 1260°

What is the sum of the measures of the interior angles of a 25-gon?

• 4140°

• 3600°

• 4500°

• 3900°

What is the measure of each interior angle of a regular hexagon?

• 120°

• 90°

• 100°

• 110°

What is the measure of each interior angle of a regular 16-gon?

• 157.5°

• 150°

• 160°

• 165°

What is the sum of the measures of the exterior angles of a decagon?

• 360°

• 720°

• 180°

• 540°

What is the measure of each exterior angle of a regular 30-gon?

• 12°

• 10°

• 15°

• 18°

An exterior angle of a regular polygon measures 22.5°. How many sides does it have?

• 16

• 12

• 18

• 20

An interior angle of a regular polygon measures 170°. How many sides does it have?

• 36

• 20

• 18

• 24

If the sum of the measures of the interior angles of a polygon is 1980°, how many sides does the polygon have?

• 13

• 12

• 15

• 14

If the sum of the measures of the interior angles of a polygon is 5400°, how many sides does the polygon have?

• 32

• 30

• 28

• 26