Radius Adventures: Solving Circle Challenges in Real Life

A circular garden has a diameter of 12 meters. What is the radius of the garden?

• 6 meters

• 10 meters

• 8 meters

• 4 meters

A pizza has a radius of 8 inches. If you want to find the diameter, what would it be?

• 10 inches

• 12 inches

• 20 inches

• 16 inches

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

• 7 meters

• 3 meters

• 10 meters

• 5 meters

A bicycle wheel has a radius of 14 inches. How far does the bike travel in one complete rotation of the wheel?

• 70 inches

• Approximately 87.96 inches

• 56 inches

• 100 inches

A round table has a diameter of 1.5 meters. What is the radius of the table?

• 1.2 meters

• 1 meter

• 0.75 meters

• 0.5 meters

The radius of a circular track is 10 meters. What is the area of the track? (Use π = 3.14)

• 250 square meters

• 100 square meters

• 314 square meters

• 400 square meters

A circular fountain has a radius of 5 feet. How much water would it take to fill the fountain to a depth of 2 feet? (Assume the fountain is a cylinder)

• 100 cubic feet

• 50 cubic feet

• 157 cubic feet

• 200 cubic feet

A circular pizza has a radius of 6 inches. If you cut it into 8 equal slices, what is the angle of each slice?

• 60 degrees

• 90 degrees

• 30 degrees

• 45 degrees

A circular clock has a radius of 3 inches. What is the circumference of the clock? (Use π = 3.14)

• 12.56 inches

• 9.42 inches

• 15.70 inches

• 18.84 inches

A circular garden path has a radius of 4 meters. If you want to plant flowers around the edge, how long will the flower bed be? (Use π = 3.14)

• 25.12 meters

• 15.28 meters

• 20.56 meters

• 31.42 meters