Question

Q, The radius of a cylinder is doubled whose lateral surface area is unchanged the height will be
a) Halved
(b) Doubled
(c) Tripled
D) constant
Q) If V and C stand respectively for volume and curved surface area of a cylinder with base radius r, then
a) VC = pi
B) 2V = Vr
(c) 20 = Vr
(d) 2 pi =VC
Anneyonghaseyo friends I think u all forgot me right! T_T i want u all back!!! Anyone there still left
In btw i want answer of these questions also please help:'(​

Answer 1

Answer:

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sorry I didn't know the answer of your question.

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Answer 2

Now since the lateral surface area is kept same, 2pi rh = 4 pi rH. Hence H = h/2. Hence the new height is half the original height