Grade 6 Math: Volume of a Sphere
Calculate the volume of spheres using the given radius or diameter.
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Volume of a Sphere
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Read each question carefully and calculate the volume of each sphere. Use \( \pi \approx 3.14 \) and round your answers to two decimal places.
Formula for the volume of a sphere: \( V = \frac{4}{3} \pi r^3 \)
1. A sphere has a radius of 3 cm. What is its volume?
2. Find the volume of a sphere with a diameter of 10 meters.
3. If the radius of a sphere is 6 inches, its volume is approximately cubic inches.
4. A sphere with a diameter of 14 ft has a radius of ft.
5. Which of the following is the correct formula for the volume of a sphere?
\( V = \pi r^2 h \)
\( V = \frac{1}{3} \pi r^2 h \)
\( V = \frac{4}{3} \pi r^3 \)
\( V = 2 \pi r h \)
6. A spherical ball has a radius of 4.5 cm. What is its volume? Show your work.