Radius, Diameter, and Area: Fun with Circles!

A circular garden has a radius of 4 meters. What is the area of the garden? (Use the formula A = πr²)

• 16π square meters

• 12π square meters

• 20π square meters

• 8π square meters

Tags

CCSS.7.G.B.4

The diameter of a round table is 6 feet. What is the circumference of the table? (Use the formula C = πd)

• 15.70 feet

• 12.56 feet

• 18.84 feet

• 25.12 feet

Tags

CCSS.7.G.B.4

A swimming pool is shaped like a rectangle with a length of 10 meters and a width of 5 meters. What is the area of the pool?

• 30 square meters

• 40 square meters

• 60 square meters

• 50 square meters

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

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

• 10 inches

• 8 inches

• 4 inches

• 6 inches

Tags

CCSS.7.G.B.4

A circular track has a circumference of 31.4 meters. What is the radius of the track? (Use the formula C = 2πr)

• 7 meters

• 3 meters

• 10 meters

• 5 meters

Tags

CCSS.7.G.B.4

A circular fountain has a radius of 3 feet. What is the area of the fountain? (Use the formula A = πr²)

• 6π square feet

• 12π square feet

• 3π square feet

• 9π square feet

Tags

CCSS.7.G.B.4

A basketball court is 28 meters long and 15 meters wide. What is the area of the court?

• 450 square meters

• 500 square meters

• 420 square meters

• 300 square meters

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

If a circular garden has a diameter of 10 meters, what is the area of the garden? (Use the formula A = πr²)

• 30π square meters

• 25π square meters

• 15π square meters

• 20π square meters

Tags

CCSS.7.G.B.4

A round clock has a radius of 5 inches. What is the circumference of the clock? (Use the formula C = 2πr)

• 10π inches

• 5π inches

• 15 inches

• 20 inches

Tags

CCSS.7.G.B.4

A circular pond has an area of 78.5 square meters. What is the radius of the pond? (Use the formula A = πr²)

• 5 meters

• 3 meters

• 10 meters

• 7 meters

Tags

CCSS.7.G.B.4