Radius and Diameter: Real-Life Circle Challenges

A circular garden has a diameter of 10 meters. What is the radius of the garden?

• 3 meters

• 5 meters

• 10 meters

• 7 meters

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

• 12 inches

• 16 inches

• 10 inches

• 20 inches

A circular swimming pool has a radius of 5 feet. How far is it from one side of the pool to the other?

• 15 feet

• 5 feet

• 20 feet

• 10 feet

A bicycle wheel has a diameter of 26 inches. What is the radius of the wheel?

• 12 inches

• 14 inches

• 13 inches

• 15 inches

A round table has a circumference of 31.4 inches. What is the diameter of the table?

• 10 inches

• 8 inches

• 12 inches

• 15 inches

If a circular track has a radius of 20 meters, what is the distance around the track?

• 150.8 meters

• 125.66 meters

• 100 meters

• 200 meters

A hula hoop has a diameter of 1.2 meters. What is the radius of the hula hoop?

• 0.6 meters

• 2.4 meters

• 1.2 meters

• 0.3 meters

A circular fountain has a radius of 3 meters. How much water would it take to fill the fountain to a depth of 1 meter?

• 15.70 cubic meters

• 50.24 cubic meters

• 28.26 cubic meters

• 10.00 cubic meters

If a circular pizza has a diameter of 12 inches, what is the radius?

• 7 inches

• 8 inches

• 5 inches

• 6 inches

A circular clock has a diameter of 30 centimeters. What is the radius of the clock?

• 10 centimeters

• 15 centimeters

• 20 centimeters

• 25 centimeters