Interior and Exterior Angles of Regular Polygons

What is the sum of interior angles of a pentagon?

• 360
• 540
• 180
• 760

What is the sum of interior angles of a 27-gon?

• 4500
• 360
• 180
• 1500

What is the measure of each interior angle of a Regular Polygon?

• S = (n-2)180
• s/n
• S = (n-2)360
• 360/n

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

• 135
• 180
• 145
• 190

What is the measure of each interior angle of a regular 20-gon?

• 90
• 146
• 162
• 122

What is the sum of the measure of the interior angles of an octagon?

• 180
• 960
• 1080
• 1280

What is the sum of the exterior angles of an octagon?

• 240
• 360
• 180
• 1080

The sum of the interior angles of a polygon is 1620°.  How many sides does the polygon have?

• 8
• 11
• 3
• 16

The sum of the interior angles of a polygon is 3960°. How many sides does the polygon have?

• 12
• 24
• 25
• 13

What is the measure of each exterior angle of a 20-gon?

• 14°
• 15°
• 17°
• 18°