Find the number of coins 1.5cm in diameter and 0.2 cm thick to be melted to form a right circular cylinder of height 16cm and diameter 6cm.
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Find the number of coins 1.5cm in diameter and 0.2 cm thick to be melted to form a right circular cylinder of height 16cm and diameter 6cm.
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Here is your answer -
volume of cone ⅓pir²h
=⅓×22/7×3×3×16
=150.85
volume of coin , coin in the shape of cylinder so, pi r²h
= 22/7×0.1×0.1×1.5
=0.047
150.85/0.047
=3209