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How many coins of 1.4 cm in diameter and 0.4 cm thick are to be melted to form a right circular cylinder of.............

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How many coins of 1.4 cm in diameter and 0.4 cm thick are to be melted to form a right circular cylinder of height 16 cm and diameter 3.5 cm?

posted Feb 7 by Simranjeet Singh

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1 Answer

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250


Volume of cylinder/Volume of coin= R^2*H / (r^2*h)=1.75^2*16 / (0.7^2*0.4)=250

answer Feb 7 by Hanifa Mammadov



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