Circumference Calculations: Measure and Interpret for 6th Grade

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

• 25.4 feet

• 15.7 feet

• 20 feet

• 31.4 feet

A bicycle wheel has a radius of 14 inches. Estimate the circumference of the wheel. (Use 3.14 for π)

• 100.12 inches

• 78.54 inches

• 87.92 inches

• 92.00 inches

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

• 15 inches

• 20 inches

• 25 inches

• 30 inches

A circular swimming pool has a diameter of 20 meters. How much fencing is needed to go around the pool? (Use 3.14 for π)

• 50.3 meters

• 40.0 meters

• 78.5 meters

• 62.8 meters

A pizza has a radius of 8 inches. What is the circumference of the pizza? (Use 3.14 for π)

• 25.12 inches

• 40.96 inches

• 62.83 inches

• 50.24 inches

A circular track has a circumference of 400 meters. What is the radius of the track? (Use 3.14 for π)

• 100 meters

• 63.66 meters

• 50 meters

• 80 meters

A hula hoop has a circumference of 94.2 centimeters. What is the diameter of the hula hoop? (Use 3.14 for π)

• 30 cm

• 40 cm

• 25 cm

• 35 cm

A circular fountain has a diameter of 5 feet. How many feet of edging is needed around the fountain? (Use 3.14 for π)

• 15.7 feet

• 10.5 feet

• 12.6 feet

• 20 feet

A round clock has a radius of 6 inches. Estimate the circumference of the clock. (Use 3.14 for π)

• 37.68 inches

• 30.24 inches

• 25.12 inches

• 42.00 inches

A circular pizza is cut into 8 equal slices. If the circumference of the pizza is 25.12 inches, what is the length of the crust on one slice? (Use 3.14 for π)

• 2.5 inches

• 5.5 inches

• 3.14 inches

• 4.0 inches