Math, asked by ansh35, 1 year ago

formulae of curved surface area of hollow cylinder


XxMaverickxX: hey friend i have answered your question assuming one thing :-
XxMaverickxX: i have considered that the thickness of cylinder is negligible
XxMaverickxX: if you want the formula to find the surface area where the thickness is not negligible refer the comment below my answer . Thanks !! :-)

Answers

Answered by perfectbrainly
1
formula:
2pie(h)(R+r)
Answered by XxMaverickxX
4
Hey hi friend !!!

Since the cylinder given is hollow we need to consider its inner curved surface area along with outer surface area
that is = 2(2pie*r*h)= 4pie*r*h

where r = radius
h = height


Hope this helped u :-)

vaishu12: can i copy this one
vaishu12: can i
XxMaverickxX: is the thickness of cylinder is not negligible then the formula will be = 2 pie*r*h + 2*pie*R*h
XxMaverickxX: where r is the inner radius of the cylinder and R is the outer radius of the cylinder
XxMaverickxX: and h = height of cylinder
XxMaverickxX: Hope this helps . Thanks :-)
XxMaverickxX: yes vaishu you can :-)
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