Circumference of a Circle

If my diameter is 19 inches, what is my radius?

• 38 inches
• 9.5 inches
• 59.66 inches
• 119.32 inches

Find the circumference (to the nearest whole number)

• 88 in
• 44 in
• 116 square in
• None of the above

Find the circumference with the a radius of 8 cm. Use 3.14 for pi.

• 51.8 cm

• 22.2 cm

• 17.8 cm

• 50.2 cm

Find the circumference with a radius of 5.8 cm. Use 3.14 for pi.

• 37 cm

• 38.3 cm

• 36.4 cm

• 42.7 cm