A metal bucket open at the top of height 24cm is in the form of frustum the radii of whose lower and upper circular ends at 7 cm and 14 cm respectively find the volume of the water which can be completely filled area of the metal sheet used to make the bucket
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Vol of water=1/3×22/7×24×(196+49+98)
=8624cm^3
Metal sheet=22/7×25×21+22/7×7^2
=66×25+22×7=1650+154=1804cm^2
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