Circumference Re-Assessment

Find the circumference. Round to the nearest tenth.

• 14.1 in.

• 28.3 in.

• 25.1 in.

• 282.6 in.

What is the circumference of a circle with radius 2.1 cm? (Use 3.14 for pi.)

• 12.69 cm

• 8.724 cm

• 13.188 cm

• 6.594 cm

Find the circumference of a circle whose diameter is 3.2 meters. Round to the nearest tenth.

• 5.0 m

• 32.2 m

• 8.0 m

• 10.0 m

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

• 55.0 cm

• 3,846.5 cm

• 110.0 cm

• 961.6 cm

The diameter of a circle is 9 feet. What is the measure of its circumference? Round to the nearest tenth.

• 4.5 ft

• 14.1 ft

• 63.6 ft

• 28.3 ft