Volume of a cylinder

Answer Key - Grade 7 Math Worksheet - Building Confidence

Circle the best answer, or write your answer on the line.

1. 1.

   Bo's jar is a cylinder. It is spotless. One circle layer of it has an area of 50.24 square cm, and it is 12 cm tall. What is its volume in cubic cm?

   602.88
2. 2.

   Esme's candle is a cylinder. One circle layer of it has an area of 28.26 square cm, and it is 15 cm tall. What is its volume in cubic cm?

   423.9
3. 3.

   Jun's drum is a cylinder. One circle layer of it has an area of 314 square cm, and it is 12 cm tall. What is its volume in cubic cm?

   3768
4. 4.

   Luz's can has a radius of 3 cm and is 10 cm tall. Its end is a circle layer, and the layers stack 10 cm high. What is its volume in cubic cm?

   282.6
5. 5.

   Noah's mug has a radius of 4 cm and is 9 cm tall. Its end is a circle layer, and the layers stack 9 cm high. What is its volume in cubic cm?

   452.16
6. 6.

   Pia's candle has a radius of 2.5 cm and is 12 cm tall. Its end is a circle layer, and the layers stack 12 cm high. What is its volume in cubic cm?

   235.5
7. 7.

   Tala's candle is 8 cm across, so its radius is 4 cm. It is 15 cm tall. What is its volume in cubic cm? Use π = 3.14. Do not round.

   753.6
8. 8.

   Zee's jar is 10 cm across, so its radius is 5 cm. It is 14 cm tall. What is its volume in cubic cm? Use π = 3.14. Do not round.

   1099
9. 9.

   Ari's mug is 7 cm across, so its radius is 3.5 cm. It is 10 cm tall. What is its volume in cubic cm? Use π = 3.14. Do not round.

   384.65
10. 10.

    Bo's drum is 24 cm across, so its radius is 12 cm. It is 10 cm tall. What is its volume in cubic cm? Use π = 3.14. Do not round.

    4521.6