If the radii of the circular ends of a bucket of height 40cm,28cm and 7cm respectively.Find the volume of the bucket
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Answer :
The bucket is in the shape of a frustum,
Volume of bucket=volume of frustum
=1/3πh(R^2+r^22+Rr)
=1/3*3.14*40(28*28+7*7+7*28)
=125.6/3(784+49+196)
=125.6/3*1029
=125.6*343
=43080.8 cm^3
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