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Find the number of coins, 1.5 cm in d...

Find the number of coins, 1.5 cm in diameter and 0.2 cm thick, to be melted to form a right circular cylinder of height 10 cm and diameter 4.5 cm.

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To solve the problem of finding the number of coins needed to form a right circular cylinder, we will follow these steps: ### Step 1: Calculate the volume of one coin The volume \( V \) of a cylindrical coin can be calculated using the formula: \[ V = \pi r^2 h \] where \( r \) is the radius and \( h \) is the thickness of the coin. ...
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