Grade 8 Math Worksheets
Volume of Cone
Volume of cone = h, where = 3.14 or
Example: Find the volume of a cone with radius 2 cm and height 7 cm. (Round the answer to nearest hundredth place)
Solution: Volume of cone = h=7== 29.31 cm3
Volume of Cylinder
Volume of cylinder = h, where = 3.14 or .
Example: Find the volume of a cylinder with diameter 4 feet and height 7 feet. (Use = )
Solution: Volume of cylinder =h=7=224= 88 ft3
Volume of Sphere
Volume of sphere = , where = 3.14 or .
Example: Linda purchased a spherical aquarium of diameter 70 cm. What is the volume of aquarium? (Use = )
Volume of sphere = = =25666.67 cm3
- What is the capacity of a silo (silo is a large cylindrical vessel for storing bulk materials) with height 90 ft and diameter 30 ft? (Use = 3.14)
- Find the volume of an ice cream cone with radius 5 cm and a height of 12 cm. (Use = 3.14)
- What is the volume of water tank with a diameter of 4 feet and height 6 ft (Use = 3.14)
- What is the volume of cone with diameter of 2 mi and a height of 12 mi? (Use = 3.14 and round the answer to nearest tenth)
- What is the volume of a spherical ball with radius 10 cm? (Use = 3.14)
- 63,585 ft3
- 314 cm3
- 75.36 ft3
- 12.6 mi3
- 3,140 cm3
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