Angles in Polygon

What is the formula for ONE EXTERIOR angle in a regular polygon?

• 180n

• 180/n

• 360/n

• (n-2)*180

Find the measure of each exterior angle in a regular decagon

• 36 degrees

• 72 degrees

• 45 degrees

• 90 degrees

The measure of one exterior angle in a regular polygon is 45 degrees. How many sides does the polygon have?

• 7

• 8

• 9

• 10

Calculate the sum of the interior angle measures of a polygon with 25 sides.

• 360 degrees

• 4500 degrees

• 335 degrees

• 4140 degrees

Find the value of x

• 141

• 150

• 135

• 163

Find the value of X.

• 100° 

• 110° 

• 150° 

• 168° 

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

• 180

• 360

• 3240

• 162

Find the value of X.

• 60

• 120

• 85

• 55

What is the measure of ONE interior angle in a regular hexagon (6 sides)?

• 60°

• 80°

• 108°

• 120°

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

• 360

• n

• (n - 2)180

• (n - 1)180