Circumference and Dimensions: Pi in Everyday Shapes

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

• 31.4 feet

• 25.6 feet

• 15.7 feet

• 20 feet

If the radius of a pizza is 8 inches, what is the diameter of the pizza?

• 16 inches

• 10 inches

• 20 inches

• 12 inches

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

• 5 meters

• 4 meters

• 6 meters

• 7 meters

A bicycle wheel has a diameter of 26 inches. How far does the bicycle travel in one complete rotation of the wheel? (Use pi = 3.14)

• 78.5 inches

• 81.64 inches

• 75.2 inches

• 90 inches

The diameter of a hula hoop is 24 inches. What is the circumference of the hula hoop? (Use pi = 3.14)

• 62.83 inches

• 75.36 inches

• 50.24 inches

• 88.00 inches

If a circular track has a radius of 15 meters, what is the circumference of the track? (Use pi = 3.14)

• 94.2 meters

• 100 meters

• 75.4 meters

• 30 meters

A round table has a circumference of 62.8 inches. What is the radius of the table? (Use pi = 3.14)

• 8 inches

• 12 inches

• 15 inches

• 10 inches

The diameter of a clock face is 12 inches. What is the circumference of the clock? (Use pi = 3.14)

• 31.42 inches

• 40.00 inches

• 25.12 inches

• 37.68 inches

A circular fountain has a radius of 5 feet. What is the diameter of the fountain?

• 12 feet

• 10 feet

• 15 feet

• 8 feet

If a circular pizza has a circumference of 25.12 inches, what is the radius of the pizza? (Use pi = 3.14)

• 5 inches

• 4 inches

• 6 inches

• 3 inches