Inequalities in Triangles / Angles in Polygons Review

What is the SUM of the interior angle measures in a nonagon (9 sides)?

• 1260

• 1440

• 900

• 1080

What is the SUM of the interior angle measures in a hexagon (6 sides)?

• 1080

• 600

• 540

• 720

Find the angle sum of the interior angles of the polygon.

• 720

• 180

• 1080

• 540

Find the sum of the interior angles of the polygon.

• 900

• 720

• 1080

• 1260

Find the missing angle.

• 100

• 75

• 45

• 85

Tags

CCSS.HSG.C.A.3

Find the value of y.

• 135

• 140

• 125

• 110

Tags

CCSS.7.G.B.5

Find the number of sides of a polygon with one exterior angle measuring 6 degrees.

• 60

• 20

• 30

• 10

A polygon's interior angles add up to 2700. How many sides does the polygon have?

• 15

• 19

• 17

• 11

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

• 3240

• 162

• 180

• 360

An exterior angle in a regular polygon has a measure of 18 degrees. What is the sum of the interior angles in this polygon?

• 180

• 3240

• 1440

• 360