Question

Write the formula of T.S.A of cylinder.

Answer 1

Formula of TSA of cylinder

There are $2$ circular bases

$\therefore$ Area $=2\pi r^2$

There is one curved surface area

i.e., $2\pi rh$

$\therefore$ Total Surface Area, TSA $=2\pi r^2+2\pi rh$

$=2\pi r(h+r){cm}^2$