Circle Radius Word Problems: Real Life Applications

A circular garden has a radius of 5 meters. What is the diameter of the garden?

• 15 meters

• 8 meters

• 10 meters

• 12 meters

A pizza has a radius of 10 inches. If you want to estimate how many slices you can get, what is the approximate area of the pizza?

• Approximately 314 square inches

• Approximately 250 square inches

• Approximately 400 square inches

• Approximately 200 square inches

A circular swimming pool has a radius of 8 feet. How far is it from one side of the pool to the opposite side?

• 12 feet

• 16 feet

• 20 feet

• 10 feet

You are designing a circular track with a radius of 12 meters. What is the circumference of the track?

• 50.3 meters

• 100 meters

• 62.8 meters

• 75.4 meters

A round table has a radius of 1.5 meters. If you want to place a tablecloth on it, what is the area of the tablecloth needed?

• Approximately 4.71 square meters

• Approximately 3.14 square meters

• Approximately 12.56 square meters

• Approximately 7.07 square meters

A bicycle wheel has a radius of 0.35 meters. How far does the bicycle travel in one complete rotation of the wheel?

• 4.50 meters

• 3.14 meters

• Approximately 2.20 meters

• 1.75 meters

A circular fountain has a radius of 4 feet. If you want to put a border around it, how long will the border need to be?

• 12 feet

• 4π feet

• 8π feet

• 16π feet

You are making a circular cake with a radius of 6 inches. How much frosting do you need to cover the top of the cake?

• Approximately 75.4 square inches

• Approximately 150.8 square inches

• Approximately 113.1 square inches

• Approximately 94.2 square inches

A circular pond has a radius of 3 meters. If you want to walk around the pond, how far will you walk?

• 9 meters

• 12π meters

• 3π meters

• 6π meters

A circular clock has a radius of 0.2 meters. If you want to hang it on the wall, what is the diameter of the clock?

• 0.3 meters

• 0.4 meters

• 0.1 meters

• 0.5 meters