More Circle Problems

The circumference of a circle is 18.41 feet. What is the approximate length of the radius? Use 3.14 for π.

• 3 ft

• 5 ft

• 7 ft

• 8 ft

A bicycle trail in the shape of a circle has a diameter of 3 miles. Kiersty biked around the trail 4 times. About how far did Kiersty bike? Use 3.14 for π.

• 38 miles

• 40 miles

• 35 miles

• 33 miles

Alejandra is making a tablecloth. Her table has a 7 foot diameter. How many square feet of material does she need to use? Use 3.14 for π.

• 10.9 square feet

• 153.9 square feet

• 38.5 square feet

• 21.9 square feet

What is the approximate area of a circle with a diameter of 6.2 inches?

• 30.19 square inches

• 120.76 square inches

• 19.48 square inches

• 9.74 square inches

Jalen is making a circular pizza with a circumference of 44 inches. What is the approximate radius of Jalen's pizza. Use 3.14 for pi.

• 14 inches

• 7 inches

• 22 inches

• 88 inches

Paige wants to sew lace around the edge of a round tablecloth. The table cloth has a diameter of 6 feet. About how much lace will Paige need?

• 18.85 feet

• 113.10 feet

• 9.42 feet

• 28.27 feet

A circle has a radius of 3.75 meters. What is the approximate area of the circle?

• 12 square meters

• 14 square meters

• 24 square meters

• 44 square meters

What is the approximate length of the radius of a circle with a circumference of 63 inches?

• 4 in

• 8 in

• 10 in

• 20 in

What is the area of a circle that has a diameter of 6 cm?

• 38 cm²

• 36 cm²

• 28 cm²

• 19 cm²

What is the approximate circumference of a circle with a radius of 5 in.?

• 16 in

• 20 in

• 31 in

• 79 in