Find the number of coins 1.5cm in diameter and 0.2cm thick to be melted to form and cylinder of height 5cm and diameter 4.5cm
Answers
Answered by
3
Answer:
As the coins are in the form of thin cylinder
Volume of each coin = π×(0.75)²×0.2 =0.1125π cm³
Volume of melted cylinder = π× (2.25)²× 10 = 50.625π cm³
number of coin required = (volume of melted cylinder)/(volume of each coin)
= 50.625π/0.1125π = 450 coins
Step-by-step explanation:
Hope it helps
Similar questions