Polygon Quiz

The measure of each interior angle of a regular octagon is?

• 1209

• 140

• 135

• 150

The exterior angle measure of a regular dodecagon is?

• 30

• 36

• 40

• 20

The sum of a convex polygon is 2,160°. Find the number of sides it has.

• 10

• 12

• 14

• 16

Each interior angle of a regular polygon is 144°. Identify the polygon.

• Octagon

• Decagon

• Dodecagon

• Hendacogon

Using the image, Find <5

• 120

• 92

• 108

• 90

The measures of the exterior angles of a convex pentagon are 4x+20, 3x+10, 5x+5, 2x+25, and 4x+30. Find the measure of the largest exterior angle.

• 15

• 120

• 110

• 90

What formula do you use to find the INTERIOR ANGLE SUM of a Convex Polygon

• (n-2)180/n

• (n-3)360

• (n-2)180

• 360/n

Which sides are ADJACENT with side BC

• AE and ED

• CD and AB

• CD and DE

• DE and AB

What angles are NON CONSECUTIVE with <D

• < E and < C

• <C

• <B

• <A and < B

What formula is used to find one Exterior Angle Measure

• 360/n

• (n-2)180

• (n-2)180/n

• y=mx+b