Grade 6 Circumference: Apply Formulas & Convert Units

A circular garden has a radius of 5 meters. What is the circumference of the garden? (Use π = 3.14)

• 40.0 meters

• 31.4 meters

• 15.7 meters

• 25.0 meters

If a bicycle tire has a diameter of 26 inches, what is the circumference of the tire? (Use π = 3.14)

• 85.12 inches

• 90.00 inches

• 78.54 inches

• 81.64 inches

A round swimming pool has a circumference of 31.4 feet. What is the radius of the pool? (Use π = 3.14)

• 7 feet

• 5 feet

• 10 feet

• 3 feet

A circular track has a circumference of 400 meters. How long is the track in kilometers?

• 0.8 kilometers

• 0.4 kilometers

• 1 kilometer

• 0.2 kilometers

If a pizza has a diameter of 12 inches, what is the circumference of the pizza? (Use π = 3.14)

• 40.84 inches

• 37.68 inches

• 31.42 inches

• 25.12 inches

A circular fountain has a radius of 3 feet. How many feet of fencing is needed to go around the fountain? (Use π = 3.14)

• 15.70 feet

• 12.56 feet

• 18.84 feet

• 25.12 feet

A circular table has a circumference of 62.8 inches. What is the diameter of the table? (Use π = 3.14)

• 30 inches

• 25 inches

• 15 inches

• 20 inches

If a hula hoop has a circumference of 94.2 centimeters, what is its radius? (Use π = 3.14)

• 20

• 15

• 10

• 25

A circular pond has a diameter of 10 meters. How many meters of edging is needed to surround the pond? (Use π = 3.14)

• 31.4 meters

• 25.6 meters

• 15.7 meters

• 40 meters

A wheel has a circumference of 78.5 centimeters. How far will the wheel travel after making 10 complete rotations?

• 750 centimeters

• 785 centimeters

• 700 centimeters

• 800 centimeters