Question

How we know to find the either curved surface area or total surface area

Answer 1

It's always given in question and for some question we need common sense and logic too...in case of tent we need to find CSA and you'll get many other cases...yet if u find difficulty text me some questions i'll help u..

Answer 2

as if talk about full sides when says tsa and if talk about except top and bottom than it is called csa and both is also given in question