Calculate the surface area of a hallow cylinder which is closed at one end, if the base radius is 3.5cm and the height 8cm.[take π = 22/7]

FavourJames1

7 years ago

Wrong,the Answer Is Not Even There

The SA of A Cylinder Is 2¥r(h+r)
So;2 * 22/7 * 3.5 (8+3.5)
2 * 22/7 *3.5 (11.5)
2 * 22/7* 40.3
1773.2 / 7 = 253.3

Chuks612

9 years ago

Wrong. The total surface area of a cylinder is 2πr(r+h).

=2* 22/7*3.5(3.5+8)

=22.001(11.5)

=253.012.

umul khair

2 months ago

that cannot be the answerbecoz it is only one side that is closed