A heap of wheat is in the form of cone whose diameter and the height is 3 metres . Find its volume .the heap is to be covered with canvas to protect it from rain,find the area of canvas required.
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volume of cone=1/3×22/7×3/2×3/2×3
=7. 07(approx )sq. m
slant height, l square=r square +h square
=9+2. 25
l=3. 60m
area of canvas required =22/7×1. 5×3. 60
=16. 97sq. m
=7. 07(approx )sq. m
slant height, l square=r square +h square
=9+2. 25
l=3. 60m
area of canvas required =22/7×1. 5×3. 60
=16. 97sq. m
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