Find the diameter of a sphere whose surface area is 154 cm2.

Find the diameter of a sphere whose surface area is 154 cm².

Solution:

Find:
(i) the curved surface area.
(ii) the total surface area of a hemisphere of radius 21 cm.

Solution:

A hemispherical brass bowl has inner- diameter 10.5 cm. Find the cost of tin-plating it on the inside at the rate of Rs 16 per 100 cm².

Solution:

More Solutions:

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• Find the volume of the wood left in the block.
• Find the volume of the remaining material.
• Find the volume of the remaining wood.