Circumference of a Circle

Alex has trained his puppy, Popper, to jump through a ring. According to Alex's measurements and calculations, the ring has a diameter of 3.5 feet. What is the ring's circumference (use 3.14 for pi)?

• 11.32 ft

• 12.25 ft

• 10.99 ft

• 8.75 ft

What is the circumference? Round to the nearest whole number.

• 48

• 96

• 24

• 18

Find the circumference (to the nearest whole number)

• 88 in

• 44 in

• 116 square in

• None of the above

Which expression could be used to find the approximate circumference of this quilt piece?

• 2π16

• 2π8

• 2(8)

• 2(4)

Find the circumference. Round to the nearest tenth.

• 18.8 cm.

• 75.4 cm.

• 37.7 cm.

• not enough information

Find the circumference of the circle.

• 113.04 in

• 1017.36 in

• 254.34 in

• 56.52 in

Find the circumference of the circle. Round to the nearest tenth.

• 113.0 in.

• 1017.4 in.

• 254.3 in.

• 56.5 in.

A cruise ship has a large, circular window. It has a diameter of 6 meters. What is the window's perimeter? (Use 3.14 for pi.)

• 21.25 m²

• 19.55 m²

• 15.36 m²

• 18.84 m

What is the distance around a circle?

• Circumference

• Area

• Diameter

• Radius

The circumference of a circle is

• The measurement from an edge of a circle to another edge.

• The measurement around the circle

• The measurement from an edge of a circle to another edge going through the center

• The measurement from the center of the circle to an edge of the circle