Polygon Practice 1: Interior and Exterior Angles

What is the sum of the interior angles of a regular Octagon?

• 1080 degrees

• 180 degrees

• 360 degrees

• 135 degrees

What is the measure of each exterior angle of a pentagon?​ (a)  

• 72 degrees
• 360 degrees
• 108 degrees
• 180 degrees

What does n represent in a polygon formula?

• One interior angle

• Number of angles

• Number of sides

• One exterior angle

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

• 180 degrees

• 3240 degrees

• 162 degrees

• 360 degrees

Match the following formulas to the key words...

• Find each interior angle...

• Find one exterior angle...

• Find the sum of the interior angles...

• What is the sum of the exterior angles of...?

Find the interior angle on a regular polygon with 5 sides...

• 72^o

• 108^o

• 60^o

• 120^o

Find the interior angle on a regular polygon with 6 sides...

• 72^o

• 108^o

• 60^o

• 120^o

Find the interior angle on a regular polygon with 12 sides...

• 36^o

• 144^o

• 30^o

• 150^o

Find the measure of angle E.

• 9
• 97°
• 48°
• 79°

Find the sum of the interior angles of a nonagon.

• 1260
• 900
• 1620
• 180