Question

21 carrom coins, each of diameter 3.2 cm and thickness 5mm are placed one above another to form a cylinder surface and the volume of the cylinder.​

Answer 1

Step-by-step explanation:

area of single coin= 1.6*1.6*π cm²

height of cylinder=5*21mm= 105mm=10.5 cm

area of cylinder= area of base * height

=1.6*1.6*π*10.5 cm³