Interior and Exterior Angles of a Polygon

The following polygon is a Regular Pentagon. Find the measure of EACH EXTERIOR angle of the polygon.

• 50°

• 55°

• 72°

• 355°

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

• 360 degrees
• 4500 degrees
• 335 degrees
• 4140 degrees

 Find the angle sum of the interior angles of the polygon. of the polygon.

• 720° 
• 900° 
• 1080° 
• 1260° 

How do the interior and exterior angles of a polygon relate?

• They add to 90º

• They are congruent

• They add to 180º

• They have no relationship

Find the value of x

• 141
• 150
• 135
• 163

Solve for a.

• 90°

• 180°

• 270°

• 80°

Find the value of X.

• 60
• 120
• 85
• 55

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

• 10
• 360
• 36
• 1440

Find the measure of one exterior angle of a regular 18-gon.

• 160°
• 360°
• 20°
• 2280°

Find the measure of the smallest interior angle of the polygon shown.

• 60º

• 120º

• 30º

• Can not be determined from given information.