Question

Find the number of coins, 4cm in diameter and 2cm thickness to be melted to form a right circular cylinder of height 10cm and radius 8cm.

Answer 1

Answer:

Step-by-step explanation:

Answer 2

the number of coin=x

so,

x×pi×(4/2)^2×2=pi×8^2×10

x×8=640

x=80

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