Unit 5 Review

The sum of the interior angles of a polygon is __________________ where n is the number of sides.

• (n - 2)180
• (n - 1)180
• 360
• (n - 3)(180)

The sum of the exterior angles of a polygon is __________________ where n is the number of sides.

• 360
• n
• (n - 2)180
• (n - 1)180

Find the sum of the interior angles of a nonagon.

• 1260
• 900
• 1620
• 180

Solve for x. 

• 100
• 120
• 125
• 130

Find the measure of one exterior angle in the regular polygon. Round your answer to the nearest tenth if necessary.

• 32.7⁰

• 90⁰

• 45⁰

• 60⁰

Find the measure of one exterior angle in a regular nonagon. Round your answer to the nearest tenth if necessary.

• 27.7⁰

• 60⁰

• 72⁰

• 40⁰

What is the sum of the measures of the exterior angles of a decagon?

• 1440⁰

• 360⁰

• 144⁰

• 1800⁰

Opposite sides of parallelograms are _______ and _______.

• parallel

  congruent

• congruent

  consecutive

• parallel

  perpendicular

• parallel

  supplementary

Consecutive angles of parallelograms are ______.

• bisected

• congruent

• supplementary

• complementary

The diagonals of a parallelogram _______ each other.

• bisect

• equal

• are perpendicular to

• complement