Circumference

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

Does this picture show the diameter or radius of a circle?

• Diameter
• Radius

Does this picture show the diameter or radius of a circle?

• Diameter
• Radius

What is the formula for circumference of a circle given the diameter?

• C = π x r

• C = π x 2r

• C = π x D

• C = π x 2D

What is the formula for circumference of a circle given the radius?

• C = pi x r
• C = pi x 2r
• C = pi x D
• C = pi x 2D

What is the diameter?

• 8
• 16
• 10
• 4

What is the circumference?

• 50.24

• 53.24

• 63.24

• 75.24

What is the radius?

• 18
• 72
• 38
• 14

What is the circumference?

• 36
• 18pi
• 108pi
• 36pi

Steven purchases a bowl. The diameter of the bowl is 14 cm. What is the circumference of the bowl?

• 28 cm

• 43.96 cm

• 87.96 cm

• 7 cm