Polygon Angle Measure

Find the sum of the angle measure of the polygon.

• 1080 degrees

• 1440 degrees

• 1260 degrees

• 1800 degrees

Find the sum of the angle measure of a 60-gon.

• 10440 degrees

• 10800 degrees

• 10620 degrees

• 10080 degrees

Find the measure of each interior angle of the regular polygon.

• 108 degrees

• 540 degrees

• 180 degrees

• 300 degrees

Find the measure of each interior angle of the regular 11-gon.

• 147.27 degrees

• 1620 degrees

• 180 degrees

• 163.63 degrees

step 1: set up an equation

step 2: Solve for x

step 3: Plug in x for each expression

step 4: Add the two answers from step 3

• 82

• 41

• 17

• 90

step 1: set up an equation

step 2: Solve for x

step 3: Plug in x for each expression

step 4: Add the two answers from step 3

• 82

• 41

• 17

• 90

Find the measure of each exterior angle of the regular polygon.

• 72 degrees

• 108 degrees

• 360 degrees

• 540 degrees

Find the value of x.

• 133

• 720

• 120

• 150

Find the value of x.

• 129

• 540

• 108

• 97

The measure of an exterior angle of a regular polygon is 40 degrees. How many sides does the polygon have?

• 9

• 11

• 7

• cannot be determined from the information given