Angles in Polygon

What is the value of x?

• 540

• 108

• 40

• 85

• 114

What is the sum of the measures of the interior angles of a 14-gon?

• 2340

• 1980

• 1470

• 2160

What is the value of x?

*Hint* You need to add the values together and set them equal to the sum of the exterior angles.

(a)  

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

• 150

• 135

• 120

• 128.57

What is the measure of each exterior angle of a regular octagon?

• 30 degrees

• 75 degrees

• 45 degrees

• 60 degrees

If the measure of each interior angle of a regular polygon is 150 degrees, how many sides does the polygon have?

• 10

• 8

• 6

• 12

If the measure of each exterior angle of a regular polygon is 45 degrees, how many sides does the polygon have?

• 8

• 6

• 4

• 10

What is the value of x?

(a)  

Solve for x. 

• 100

• 120

• 125

• 130

Tags

CCSS.6.G.A.3

Calculate the sum of the interior angle measures of a polygon with 16 sides.

• 2880 degrees

• 2520 degrees

• 344 degrees

• 360 degrees