Geometry Unit 7 Review

What is the formula for circumference of a circle given the diameter?

• C = π r
• C = 2 π r
• C = π d
• C = 2 π d

If the circumference of a circle is 22 π ft, what is the radius?

• 22 ft
• 11ft
• π ft
• no ft

The _____ is the distance from the center to any point on the circle.

• diameter
• radius
• π
• center

Which segment is the diameter?

• AC
• BD
• LM
• CE

Which segment is a radius?

• LM
• DC
• BD
• ML

In circle O, the radius is 4, and the measure of minor arc AB is 120 degrees. Find the length of minor arc AB to the nearest integer.

• 5
• 9
• 8
• 6

If the measure of arc ABC = 210°, what is the measure of ∠AOC?

• 150°
• 100°
• 210°
• 105°

Give an example of a chord

• line HI

• line KL

• line GH

• line GJ

What is the measure of ∠PTQ?

• 100°
• 140°
• 180°
• 120°

Find x

• 10
• 5
• 18
• 9