A heap of rice is in the form of one of base daimeter 24m and height 35m .find the volume of the rice .how much canvas cloth is required to just cover the heap ?
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If the heap of rice is in conical shape
then,
radius=24/2=12cm
height=35cm
(slant height)2=(radius)2+(height)2
(l)2=(12)2+(35)2
(l)2=144+1225
(l)2=1369
slant height=√1369
slant height=37
canvas of clothes required=
curved surface area=πrl
=22*12*37/7
=1394.61 sq. cm
then,
radius=24/2=12cm
height=35cm
(slant height)2=(radius)2+(height)2
(l)2=(12)2+(35)2
(l)2=144+1225
(l)2=1369
slant height=√1369
slant height=37
canvas of clothes required=
curved surface area=πrl
=22*12*37/7
=1394.61 sq. cm
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