Exams › SSC CGL (Prelims) › General

A hemispherical bowl has a diameter of 14 cm. Find its curved surface area. (Take pi = 22/7)

1. 208 cm^2
2. 408 cm^2
3. 308 cm^2
4. 616 cm^2

Correct answer: 308 cm^2

Solution

Radius r = 7 cm. Curved surface area of a hemisphere = 2 pi r^2 = 2 x (22/7) x 49 = 308 cm^2.

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