Circumference Quest: Mastering Radius and Diameter!

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

• 15.7 meters

• 31.4 meters

• 40.0 meters

• 25.0 meters

Tags

CCSS.7.G.B.4

If the diameter of a pizza is 12 inches, what is the circumference of the pizza? (Use π = 3.14)

• 40.84 inches

• 37.68 inches

• 25.12 inches

• 31.42 inches

Tags

CCSS.7.G.B.4

A bicycle wheel has a diameter of 26 inches. How far does the bicycle travel in one complete rotation of the wheel? (Use π = 3.14)

• 90 inches

• 81.64 inches

• 78.5 inches

• 85.3 inches

Tags

CCSS.7.G.B.4

A circular swimming pool has a radius of 10 feet. How much fencing is needed to go around the pool? (Use π = 3.14)

• 62.8 feet

• 31.4 feet

• 78.5 feet

• 50.24 feet

Tags

CCSS.7.G.B.4

The diameter of a hula hoop is 30 inches. What is the circumference of the hula hoop? (Use π = 3.14)

• 94.2 inches

• 75.4 inches

• 60 inches

• 100 inches

Tags

CCSS.7.G.B.4

A round table has a radius of 4 feet. How much tablecloth is needed to cover the top of the table? (Use π = 3.14)

• 50.24 square feet

• 25.12 square feet

• 40.96 square feet

• 62.83 square feet

Tags

CCSS.7.G.B.4

If a circular track has a circumference of 400 meters, what is the radius of the track? (Use π = 3.14)

• 63.66 meters

• 80 meters

• 50 meters

• 100 meters

Tags

CCSS.7.G.B.4

A circular pizza has a radius of 8 inches. How much crust is there around the pizza? (Use π = 3.14)

• 60.48 inches

• 40.12 inches

• 25.76 inches

• 50.24 inches

Tags

CCSS.7.G.B.4

The diameter of a circular pond is 20 meters. What is the circumference of the pond? (Use π = 3.14)

• 50.24 meters

• 62.8 meters

• 31.4 meters

• 78.5 meters

Tags

CCSS.7.G.B.4

A circular clock has a radius of 6 inches. How far would the minute hand travel in one complete hour? (Use π = 3.14)

• 50.24 inches

• 37.68 inches

• 25.12 inches

• 12.56 inches

Tags

CCSS.7.G.B.4