Circles

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

A _____ is half of a circle.

• circumference
• pi
• semicircle
•  composite figure

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 the diameter?

• AC
• BD
• LM
• CE

Which segment is a radius?

• LM
• DC
• BD
• ML

What is circumference?

• The distance around a circle.
• The space inside the circle.
• A line from side to side passing through the center.
• A line from the center to the side.

What is the area of a circle?

• The distance around a circle.
• The space inside the circle.
• A line from side to side passing through the center.
• A line from the center to the side.

What is the diameter?

• 8
• 16
• 10
• 4

Is the red line a radius or diameter of the circle?

• Radius
• Diameter