Grade 6 Circle Measurements: Radius, Diameter & Circumference

A circular garden has a diameter of 10 meters. What is the circumference of the garden? (Use π = 3.14)

• 25.4 meters

• 31.4 meters

• 20 meters

• 15.7 meters

If the radius of a circular pond is 4 feet, what is the circumference of the pond? (Use π = 3.14)

• 25.12 feet

• 31.42 feet

• 18.84 feet

• 12.56 feet

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

• 18 inches

• 24 inches

• 22 inches

• 20 inches

A round table has a radius of 3 feet. How far would you travel if you walked around the table once?

• 25.13 feet

• 15.70 feet

• 18.85 feet

• 12.56 feet

The diameter of a pizza is 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

If a circular track has a circumference of 400 meters, what is the radius of the track? (Use π = 3.14)

• 100 meters

• 80 meters

• 50 meters

• 63.66 meters

A circular swimming pool has a radius of 5 meters. How much water would be needed to fill the pool if the depth is 2 meters? (Use the circumference to find the area first)

• 100 cubic meters

• 200 cubic meters

• 50 cubic meters

• 157 cubic meters

A hula hoop has a diameter of 24 inches. What is the circumference of the hula hoop? (Use π = 3.14)

• 62.83 inches

• 75.36 inches

• 78.54 inches

• 84.78 inches

If the circumference of a circular fountain is 31.4 meters, what is the radius of the fountain? (Use π = 3.14)

• 7 meters

• 3 meters

• 5 meters

• 10 meters

A circular clock has a radius of 6 inches. How far would the minute hand travel in one complete rotation?

• 18 inches

• 12 inches

• 12π inches

• 6π inches