A heap of rice is in the form of a cone of diameter 12m. and height 8m. Find its volume? How much cloth is required to cover the heap?
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Hello!
• Radius = d / 2 = 6 m
• Volume of cone = 1 / 3 πr²h
Volume = (1 / 3) × (22 / 7) × (6)² × (3.5) = 198 m³
Now,
Slant Height = √ r² + h² = √ [ (6)² + (8)² ] = √ 100 = 10 m
Then,
CSA = πrl = (22 / 7) × (9 / 2) × (10) = 141.42 m
Cheers!
• Radius = d / 2 = 6 m
• Volume of cone = 1 / 3 πr²h
Volume = (1 / 3) × (22 / 7) × (6)² × (3.5) = 198 m³
Now,
Slant Height = √ r² + h² = √ [ (6)² + (8)² ] = √ 100 = 10 m
Then,
CSA = πrl = (22 / 7) × (9 / 2) × (10) = 141.42 m
Cheers!
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