Mastering Circles: Area, Perimeter & Word Problems

A circular garden has a radius of 5 meters. What is the perimeter of the garden? (Use π = 3.14)

• 25.4 meters

• 15.7 meters

• 40 meters

• 31.4 meters

Tags

CCSS.7.G.B.4

If a circular pool has a diameter of 10 feet, what is its area? (Use π = 3.14)

• 50 square feet

• 100 square feet

• 78.5 square feet

• 31.4 square feet

Tags

CCSS.7.G.B.4

A round table has a circumference of 31.4 inches. What is the radius of the table? (Use π = 3.14)

• 6 inches

• 4 inches

• 7 inches

• 5 inches

Tags

CCSS.7.G.B.4

A bicycle wheel has a radius of 14 inches. How far does the bicycle travel in one complete rotation of the wheel? (Use π = 3.14)

• 56.28 inches

• 78.54 inches

• 100.48 inches

• 87.92 inches

Tags

CCSS.7.G.B.4

A circular pizza has a diameter of 12 inches. What is the area of the pizza? (Use π = 3.14)

• 94.25 square inches

• 78.54 square inches

• 150.72 square inches

• 113.04 square inches

Tags

CCSS.7.G.B.4

If a circular track has a radius of 20 meters, what is the distance around the track? (Use π = 3.14)

• 100 meters

• 150.8 meters

• 125.6 meters

• 80 meters

Tags

CCSS.7.G.B.4

A circular fountain has an area of 78.5 square feet. What is the radius of the fountain? (Use π = 3.14)

• 7 feet

• 5 feet

• 10 feet

• 3 feet

Tags

CCSS.7.G.B.4

A circular rug has a circumference of 62.8 inches. What is the area of the rug? (Use π = 3.14)

• 250 square inches

• 400 square inches

• 314 square inches

• 200 square inches

Tags

CCSS.7.G.B.4

A circular pond has a radius of 3 meters. How much fencing is needed to go around the pond? (Use π = 3.14)

• 12.56 meters

• 18.84 meters

• 15.72 meters

• 21.12 meters

Tags

CCSS.7.G.B.4

If a circular cake has a radius of 6 inches, what is the area of the cake? (Use π = 3.14)

• 113.04 square feet

• 113.04 cubic inches

• 113.04 square inches

• 36 square inches

Tags

CCSS.7.G.B.4