Circumference, Radius, Diameter Review

The circumference of a circle is

• The measurement from an edge of a circle to another edge.
• The measurement around the circle
• The measurement from an edge of a circle to another edge going through the center
• The measurement from the center of the circle to an edge of the circle

If my radius is 10ft, what is my diameter?

• 20ft
• 5ft
• 31.4ft
• 62.8ft

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. 

The diameter of a circle is 3 centimeters. What is the circumference?

• 11.5cm

• 9.42 cm

• unicorns are narwahls

• 45.3 cm

What is the diameter?

• 8
• 16
• 10
• 4

Determine the radius of the penny

• 59.66 mm
• 9.5 mm
• 38 mm
• 119.32 mm

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 is the diameter?

• 5 in
• 10 in
• 3.14 in
• 15.84 in

What is the circumference?

• 25.12

• 50.24

• 12.56

• 62.8

What is the circumference?

• 56.52

• 28.26

• 339.12

• 113.04