Radius, Diameter, Circumference

Name the diameter.

• JO

• GO

• QG

• JG

Find the length of the diameter. Only type the number.

Find the length of the radius. Only type the number.

If my circumference is 163.28ft, what is my radius?

• 52 ft

• 26 ft

• 3.14 ft

• 163.28 ft

• 15.7 in

• 10 in

• 5 in

• 98.64 in

Sally has car tire with a circumference of 75.36 ft. What is the radius of the car tire and what is the diameter? (Use 3.14 for pi)

• r=12 ft

• d=26 ft

• r=13 ft

• d=24 ft

Given that the circumference of a circle is 62, what would be the radius of that circle? The diameter? Round to the nearest hundreth.

• radius- 9.87/ diameter- 19.75

• radius- 19.75/ diameter- 9.87

• radius- 19.75/ diameter- 39.5

• radius- 4.94/ diameter- 9.87

If my circumference is 37.68cm, what is my diameter?

• 12 cm

• 118.3152 cm

• 6 cm

• 37.68 cm

Find the circumference of the circle.

• 38.47 cm

• 10.99 cm

• 43.96 cm

• 21.98 cm

How much fencing is required to enclose a circular garden whose radius is 19 m? Use 3.14 for pi. Only type the number for your answer.