How many solid coins of diameter 6cm and thickness 0.2cm can be made by melting a solid metal cuboid of length 33cm, breadth 18cm, height 8cm
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volume of cylindrical coine=n×volume of cuboid
'pi'r2h=l×b×h
22×3×3×2÷10×33×18×8=n
3×7×4×10=840
'pi'r2h=l×b×h
22×3×3×2÷10×33×18×8=n
3×7×4×10=840
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