Geometry Polygon Angles

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

Find the sum of the interior angles of a nonagon.

• 1260

• 900

• 1620

• 180

Solve for x. 

• 100

• 120

• 125

• 130

Tags

CCSS.3.MD.D.8

Find the measure of one interior angle in regular 25-gon. Round your answer to the nearest tenth if necessary.

• 164.3⁰

• 167.1⁰

• 165.6⁰

• 166.7⁰

Find the measure of one exterior angle in the regular polygon. Round your answer to the nearest tenth if necessary.

• 32.7⁰

• 90⁰

• 45⁰

• 60⁰

The figure is a parallelogram.  
Solve for x.  

• 1

• 11

• 7

• 6

Tags

CCSS.HSG.CO.C.11

The figure is a parallelogram.  
Solve for x.  

• 7

• 2

• 0

• 4

Tags

CCSS.HSG.CO.C.11

The figure is a parallelogram.  
Solve for x.  

• 7

• 1

• 5

• 2

Tags

CCSS.HSG.CO.C.11

This figure is a parallelogram.

What is the value of x?

• 132

• 66

• 114

• 48

Tags

CCSS.HSG.CO.C.11

LMNO is a parallelogram
solve for X

• 19

• 20

• 33

• 53

Tags

CCSS.HSG.CO.C.11