Measure of Polygons

Solve for x. 

• 100

• 120

• 125

• 130

Tags

CCSS.3.MD.D.8

What is the formula for finding ONE interior angle of a polygon?

• S= (n-2)180

• S= (n-180)2

• S= (n-2)180/n

• S= (n - 180)2/n

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

• 360 degrees

• 4500 degrees

• 335 degrees

• 4140 degrees

The sum of the interior angles in a polygon is 3,240^o.  How many sides are in the polygon?

• 10

• 582,840

• 18

• 20

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

• 180

• 360

• 3240

• 162

Find the value of x

• 87°

• 54°

• 101°

• 92°

Tags

CCSS.8.G.A.5

Find the value of x

• 141

• 150

• 135

• 163

Find the sum of the interior of angles in a 12-gon

• 1800

• 1080

• 1620

• 1260

What is the value of x?

• 26.25

• 38.75

• 24

• 25.125

Find the number of sides of a polygon with one exterior angle measuring 6⁰.

• 60

• 30

• 20

• 10