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in Mathematics by (53.8k points)

A cubical block of side 10 cm is surmounted by a hemisphere. What is the largest diameter that the hemisphere can have ? Find the cost of painting the total surface area of the solid so formed, at the rate of Rs 5 per 100 sq.cm [Use π = 3.14]

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Best answer

Largest possible diameter = 10 cm

Diameter of hemisphere = 10 cm

Radius = 5 cm

Total surface area = T.S.A.,of cube - Area of base of hemisphere + C.S area of hemisphere

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