Question

find the number of coin,1.5 cm in diameter and 0.2cm thick,to be melted to form a right circular cylinder with a height of 10 cm and a diameter of 4.5 cm​

Answer 1

Answer:

100 coins

Step-by-step explanation:

total no. of coins = n

n(volume of 1 coin) = volume of a cylinder

n(πr^2h) = πr^2h