Angle Measures in Polygons

Solve for x. 

• 12

• 10

• 25

• 5

What is the exterior angle sum of ALL polygons?

• ^90o

• 180^o

• 270^o

• 360^o

What is the sum of the measures of all the interior angles of a triangle?

• 120°

• 180°

• 240°

• 360°

What is the sum of all angles?

• 144

• 1800

• 1440

• 12

What is the SUM of the INTERIOR angles of a 12-gon?

• 3600

• 1800

• 2160

• 12

A polygon has a sum of interior angle measures equal to 1620°. How many sides does the polygon have?

• 9

• 11

• 13

• 7

What is the SUM of the EXTERIOR angles of a hexagon?

• 360

• 120

• 60

• 720

What is the measure of one INTERIOR angle of a regular octagon?

• 60

• 45

• 1080

• 135

Find the value of y.

• 125

• 135

• 140

• 110

Tags

CCSS.7.G.B.5

What is the measure of one EXTERIOR angle of a regular octagon?

• 60

• 45

• 1080

• 135