A hemispherical tank is made up of an iron sheet 1 cm thick. If the inner radius is 1 m, then find the volume of the iron used to make the tank.
Solution:
Inner radius of the hemispherical tank
m
Outer radius of the hemispherical tank
Inner Radius + thickness = 1 m + 1 cm
= 1 m + 0.01 m =1.01 m
Volume of the iron used
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