03/11 GEO BW

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

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

• diameter
• radius
• π
• center

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

• diameter
• radius
• π
• center

If you are given the diameter, how can you calculate the radius?

• Multiply the diameter by 2
• Divide the diameter by 2
• Add 2 to the diameter
• Subtract 2 from the diameter

Which segment is a radius?

• LM
• DC
• BD
• ML