Grade 8 Mathematics | Cylinders, Cones, Spheres
1. Radius = 5 cm, Height = 12 cm
V = _______ pi cm^3
2. Radius = 7 in, Height = 10 in
V = _______ pi in^3
3. Diameter = 8 m, Height = 15 m
(Watch out! Find radius first!)
V = _______ pi m^3
4. Diameter = 20 ft, Height = 6 ft
V = _______ pi ft^3
5. Radius = 6 cm, Height = 9 cm
V = _______ pi cm^3
6. Radius = 3 in, Height = 14 in
V = _______ pi in^3
7. Diameter = 10 m, Height = 12 m
V = _______ pi m^3
8. Diameter = 14 ft, Height = 18 ft
V = _______ pi ft^3
9. Radius = 3 cm
V = _______ pi cm^3
10. Radius = 6 in
V = _______ pi in^3
11. Diameter = 10 m
V = _______ pi m^3
12. Diameter = 18 ft
V = _______ pi ft^3
13. A cylindrical water tank has a diameter of 4 meters and a height of 6 meters. How many cubic meters of water can it hold?
Volume = _______ pi m^3 = approximately _______ m^3
14. An ice cream cone has a radius of 2 cm and a height of 10 cm. What is the volume of the cone?
Volume = _______ pi cm^3 = approximately _______ cm^3
15. A basketball has a diameter of 9.4 inches. What is its volume? Round to the nearest cubic inch.
Volume = approximately _______ in^3
16. A storage silo is shaped like a cylinder topped with a hemisphere (half sphere). The radius is 8 feet and the cylinder height is 20 feet. Find the total volume.
Total Volume = _______ pi ft^3
17. A cone, cylinder, and sphere all have the same radius r. The cone and cylinder both have height h = 2r. Which has the greatest volume? Show your work.
18. If you double the radius of a sphere, how many times greater is the new volume? Explain.