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 4.5 cm
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Answer:
Coins:
d=1.5cm
r=1.5/2=0.75cm
R-r=0.2cm
R-0.75cm=0.2cm
R=0.2+0.75
=0.95cm
Cylinder:
h=10cm
r=4.5cm
V1=V2
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