Question

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.

Answer 1

Answer:

150 coins

Step-by-step explanation:

hey mate!

it is given that the diameter of the coins a 1.5 each, and to have 4.5 :-

1.5x =4.5

x= 3

this means there will be three columns of coins

0.2x=10

x =50

this means there will be fifty coins in each column.

50x3 [ row x column]

==> 150 coins.

THERE IS ALSO PICTORIAL EXPLANATION

Answer 2

Answer :

Refer to this picture for explanation.

Hence the answer is 450 coins.