Quiz 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 area of a circle is 25 π in² , then the diameter is?

• 10 in
• 5 in
• 25 in
• pi in

The distance across a circle through its center is called the _____.

• diameter
• radius
• π
• center

Which segment is the diameter?

• AC
• BD
• LM
• CE

Which segment is a radius?

• LM
• DC
• BD
• ML

Name the circle part shown

• Arc

• Sector

• Chord

• Radius

Name the circle part shown

• Diameter

• Chord

• Radius

• Tangent

Name the circle part shown

• Diameter

• Radius

• Chord

• Segment

What is line AB?

• diameter
• chord
• secant
• tangent

FIND THE ARC LENGTH OF THE BOLDED ARC

• A
• B
• C
• D