A hemispherical brass bowl made by a craftsman in Moradabad has inner radius 14 cm. The inside curved surface is to be polished. Find the area to be polished (take π = 22/7). (CSA = curved surface area, TSA = total surface area)
Class 9Surface Area of a SphereMensuration
A1232cm2
B616cm2
C1848cm2
D2464cm2
Step-by-Step Solution
Inner curved surface = CSA of hemisphere = 2*π*r2=2∗(22/7)∗14×14=2×22×28=1232cm2.
Answer: A) 1232cm2
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