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Mathematics
Problem
Assume
π
=
22
7
\pi=\frac{22}{7}
π
=
7
22
, unless stated otherwise. 5. A hemispherical bowl made of brass has inner diameter 10.5 cm . Find the cost of tin-plating it on the inside at the rate of ₹ 16 per
100
c
m
2
100 \mathrm{~cm}^{2}
100
cm
2
.
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