If the radii of the circular ends of a conical bucket which is 45 cm high be 28 cm and 7 cm, find the capacity of the bucket. (Use π = 22/7).

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Solution

The height of the conical bucket is h = 45 cm. The radii of the bottom and top circles are r₁ = 28cm and r₂ =7cm respectively.

The volume/capacity of the conical bucket is

Hence

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If the radii of the circular ends of a bucket 28 cm high, are 28 cm and 7 cm, find its capacity and total surface area.

If the radii of the ends of a bucket 45 cm high are 28 cm and 7 cm respectively. The total surface area of the bucket is:

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