Question

In a field, dry fodder for the cattle is heaped in a conical shape. The height of the cone is
2.1m. and diameter of base is 7.2 m. Find the volume of the fodder. if it is to be covered
by polythin in rainy season then how much minimum polythin sheet is needed ?
(value of pi is 22/7)​

Answer 1

Answer:

vol. of cone= 1/3 × pie × r^2 × h

=》 1/3 × 22/7 × 72/20 × 72/20 × 21/10 = 28.512 m^2

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