Lesson 8-5: Solve Problems Involving Circumference of Circles

Find the circumference with a diameter of 18.4 km. Use 3.14 for pi.

• 23.7 km

• 57.8 km

• 19.3 km

• 59.1 km

Find the circumference with a radius of 5.8 cm. Use 3.14 for pi.

• 37 cm

• 38.3 cm

• 36.4 cm

• 42.7 cm

Find the circumference with a diameter of 6.8 m. Use 3.14 for pi.

• 22.7 m

• 31.5 m

• 21.4 m

• 25.8 m

Find the circumference with the a radius of 8 cm. Use 3.14 for pi.

• 51.8 cm

• 22.2 cm

• 17.8 cm

• 50.2 cm

Find the circumference with a diameter of 15.2 km. Use 3.14 for pi.

• 52.2 km

• 47.7 km

• 61 km

• 57.9 km

Find the circumference with a radius of 9 mi. Use 3.14 for pi.

• 59.1 mi

• 113 mi

• 26.6 mi

• 56.5 mi

Find the circumference with a diameter of 14.8 m. Use 3.14 for pi.

• 48.7 m

• 104.4 m

• 93 m

• 46.5 m

Find the circumference with a radius of 10 cm. Use 3.14 for pi.

• 68.4 cm

• 62.8 cm

• 65.3 cm

• 72.2 cm

Find the circumference with a diameter of 23.4 m. Use 3.14 for pi.

• 153.2 m

• 73.5 m

• 306.4 m

• 76.6 m

Find the radius of circle with a circumference of 12.6 mi. Use 3.14 for pi.

• 5 mi

• 4 mi

• 8 mi

• 2 mi