Calculating Area and Circumference with Pi Fun

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

• 78.5 square feet

• 50 square feet

• 31.4 square feet

• 100 square feet

Tags

CCSS.7.G.B.4

If a pizza has a radius of 8 inches, what is the area of the pizza? (Use pi = 3.14)

• 150.72 square inches

• 100.48 square inches

• 250.24 square inches

• 200.96 square inches

Tags

CCSS.7.G.B.4

A round swimming pool has a radius of 12 meters. How many square meters of water are needed to fill the pool? (Use pi = 3.14)

• 452.16 square meters

• 378.24 square meters

• 300.76 square meters

• 500.00 square meters

Tags

CCSS.7.G.B.4

A bicycle wheel has a diameter of 26 inches. What is the circumference of the wheel? (Use pi = 3.14)

• 85.12 inches

• 81.64 inches

• 78.54 inches

• 90.00 inches

Tags

CCSS.7.G.B.4

If a circular table has a radius of 4 feet, what is the area of the table? (Use pi = 3.14)

• 25.12 square feet

• 75.36 square feet

• 50.24 square feet

• 12.56 square feet

Tags

CCSS.7.G.B.4

A circular track has a circumference of 100 meters. What is the radius of the track? (Use pi = 3.14)

• 15.92 meters

• 20 meters

• 25 meters

• 10 meters

Tags

CCSS.7.G.B.4

A round cake has a diameter of 12 inches. How much frosting is needed to cover the top of the cake? (Use pi = 3.14)

• 113.04 square inches

• 78.54 square inches

• 94.25 square inches

• 150.72 square inches

Tags

CCSS.7.G.B.4

If a circular pond has a radius of 5 yards, what is the area of the pond? (Use pi = 3.14)

• 50 square yards

• 31.4 square yards

• 100 square yards

• 78.5 square yards

Tags

CCSS.7.G.B.4

A circular fountain has a diameter of 15 feet. What is the area of the fountain? (Use pi = 3.14)

• 176.625 square feet

• 150 square feet

• 120 square feet

• 200 square feet

Tags

CCSS.7.G.B.4

A round clock has a radius of 6 inches. What is the area of the clock face? (Use pi = 3.14)

• 150.72 square inches

• 113.04 square inches

• 113.10 square inches

• 78.54 square inches

Tags

CCSS.7.G.B.4