Mastery - Classifying Polygons

A hexagon has how many sides?

• 5

• 6

• 7

• 8

How many diagonals does a hexagon have?

• 1

• 2

• 3

• 4

What is the sum of the interior angles in a pentagon?

• 900

• 360

• 1080

• 540

What is the measure of an interior angle of a regular octagon?

• 135

• 360

• 180

• 100

Find the value of x.

• 35

• 56

• 28

• 67

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

• 1,440

• 1,800

• 360

• 540

What is the measure of an exterior angle of a regular dodecagon?

• 150

• 360

• 45

• 30

What is the value of x?

• 192

• 64

• 128

• 360

The measure of an exterior angle of a regular polygon is 20 degrees.  How many sides does the polygon have?

• 18

• 20

• 35

• 50

The measure of an interior angle of a regular polygon is 157.5 degrees. How many sides does the polygon have?

• 16

• 15

• 14

• 13