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The thickness of a hollow metallic cylinder is 2 cm. It is 42 cm long and itsinner radius is 10 cm. Find the volume of metal required to make the cylinder, assuming it is open at both the ends . |
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Answer» height(h)=35 CM; INNER radius(R)= 12cm; thickness(t)=2 cm; OUTER radius(R)=t+r=12+2=14cm. |
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