Circles Practice (RHMS)

Which segment is the diameter?

• AC

• BD

• LM

• CE

Which segment is a radius?

• LM

• DC

• BD

• ML

The radius of a circle is

• The measurement from the center of a circle to an edge of the circle.

• The measurement around the circle

• The measurement from and edge of the circle to another edge through the center

• A line perpendicular to the diameter of the circle

What's the radius?

• 8.4

• 16.8

• 33.6

The diameter of a circle is:

• The measurement around the circle.

• The distance from an edge of a circle to another edge.

• The distance from the center of the circle to an edge of a circle

• The distance from an edge of a circle to another edge through the center. 

What's the diameter?

• 5

• 10

• 20

Determine the radius of the penny

• 59.66 mm

• 9.5 mm

• 38 mm

• 119.32 mm

What does "circumference" mean?

• Space a circle takes up

• Distance around a circle

• Line from one side of a circle to another

• Line from center of circle to side

Which of the following formulas can be used to determine the circumference of a circle?

• C = π r

• C = 2 π r

• C = π d

• C = 2 π d

What's the circumference?

• 15.7

• 31.4

• 163.28

• 653.12