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

• 180(n−2)÷n

• 360

• 360/n

The sum of the exterior angles of a polygon is __________________.

• 360
• n
• (n - 2)180
• (n - 1)180

How do the interior and exterior angles of a polygon relate?

• They are complementary

• They are congruent

• They are supplementary

• They have no relationship

What is the sum of the interior angles inside an octagon?

• 135

• 1440

• 1080

• 2160

What is the measure of one interior angle in a regular heptagon?

• 128.57

• 900

• 180

• 120

An interior angle of a regular polygon measures 135⁰.  How many sides does the polygon have?

• 8
• 6
• 4
• 10

Solve for x.

• 80

• 110

• 17

• 60

What is the correct value of x?

• x = 34

• x = 93

• x = 75

• x = 65

Tags

CCSS.8.G.A.5

Consecutive angles in a parallelogram must be

• congruent

• complementary

• supplementary

• opposite

Tags

CCSS.HSG.CO.C.11

(Hint: These are consecutive angles, then plug in x)

• 117

• 14

• 63

• 180

Tags

CCSS.HSG.CO.C.11