Question -
Answer -
Given,
250 circular plateseach with radius 10.5 cm and thickness of 1.6 cm.
As the plates areplaced one above the other, the total height becomes = 1.6 x 25 = 40 cm
We know that,
Curved surface area ofa cylinder = 2πrh
= 2π × 10.5 × 40 =2640 cm2
And, volume of thecylinder = πr2h
= π × 10.52 ×40 = 13860 cm3
Therefore,
The curved surface areaof the cylinder is 2640 cm2 and the volume of the cylinder is13860 cm3