a sheet of metal has dimensions 56 CM by 33 cm is melted down and recast into disc of the same thickness and radius 7 centimetre how many days will be cast
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(( Let thickness of both be x ))
Metal sheet is cuboid
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Volume of cuboid = lbh
= 56×33×x
= 1848x cm3
Disk is cylinder
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Volume of cylinder = πr^2 h
= 22/7 × 7×7 × x
= 154x cm3
No of disc = 1848x/ 154x
= 12
12 no. of discs can made
"" "" "" "" "" "" "" "" "" "" "" ""
Metal sheet is cuboid
'' '' '' '' '' '' '' '' '' '' '' '' '' '' ''
Volume of cuboid = lbh
= 56×33×x
= 1848x cm3
Disk is cylinder
'' '' '' '' '' '' '' '' '' '' ''
Volume of cylinder = πr^2 h
= 22/7 × 7×7 × x
= 154x cm3
No of disc = 1848x/ 154x
= 12
12 no. of discs can made
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