A heap of wheat is in the form of cone of diameter 6m and height 3.5m find its volume. How much canvas clothe is required to just cover the heap (use pi = 22/7)
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D=6m
r=6/2=3m
h=3.5m
Volume of cone=1/3 pi r^2 h
=1/3*22/7*3*3*3.5
=33 m^2
r=6/2=3m
h=3.5m
Volume of cone=1/3 pi r^2 h
=1/3*22/7*3*3*3.5
=33 m^2
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