How many solid coins of diameter 6 cm and thickness 0.2cm can be made by melting a solid metal cuboid of length 33cm,breath 18cm and height 8cm?
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Vol. Of coin = vol. Of cylinder of r=3cm & h=0.2cm
Vol. Of cuboid = l*b*h
No. Of coins = Vol. of cuboid /Vol. Of cylinder
= l*b*h/pie*(r)square* height
=33*18*8/3.14*3*3*0.2
=4752/1.8*3.14
=4752/5.652
=840.764331 coins
Vol. Of cuboid = l*b*h
No. Of coins = Vol. of cuboid /Vol. Of cylinder
= l*b*h/pie*(r)square* height
=33*18*8/3.14*3*3*0.2
=4752/1.8*3.14
=4752/5.652
=840.764331 coins
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