Question

Calculate the surface area of a hemispherical dome of a temple with radius 14cm to be white washed from outside. Also find the cost at Rs. 7 per m^2.

Answer 1

Answer:

surface area of hemispherical dome = 2πr^2

= 2×22× 196/7 = 44 × 28 = 1232 sq.cm

= 0.1232 sq.m

total cost = 7 × 0.1232 = 0.8624 /-

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