A bucket of height 24cm in the form of a frustum of a cone whose circular ends are of diameter 28cm and42cm find the cost of milk at a rate of rS
30per litre which the bucket can hold
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volume of frustum=1/3πh(r1²+r2²+r1×r2)=1/3×22/7×24(28²+42²+28×42)=22/7×8×(784+
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I hope it will help you thanks
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