Polygons and Their Angles

What is the sum of the interior angles of the following polygon?

• 540

• 720

• 1080

Find the value of X.

• 100° 

• 110° 

• 150° 

• 168° 

What is the measure of angle y?

• 108 degrees

• 130 degrees

• 360 degrees

• 50 degrees

How many sides does a Hexagon have?

• 6

• 4

• 3

• 9

Tags

CCSS.2.G.A.1

What is the formula for the sum of exterior angles in a polygon?

• 180(n−2)

• 180(n−2)÷n

• 360

• 360/n

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

• 4860

• 4500

• 3700

• 2700

If the interior angle is 135 degrees, what is the measure of the neighboring exterior angle?

• 360 degrees

• 135 degrees

• 55 degrees

• 45 degrees

Tags

CCSS.8.G.A.5

Find the value of X.

• 60

• 120

• 85

• 55

What is the measure of angle x?

• 50 degrees

• 180 degrees

• 130 degrees

• 35 degrees

If the sum of the interior angles of a polygon equals 900°, how many sides does the polygon have? 

• 7

• 9

• 10

• 12