Math, asked by mamatabbsr12, 8 months ago

If the radius of aright circular cylinder is doubled and height is 1/4 of the original height then find the ratio of curved surface area of new cylinder and original cylinder

Answers

Answered by tarushiyadav12

0

Answer:

1/2 : 1

Step-by-step explanation:

r' = 2r

h' = 1/4h

Ratio = CSA of new cylinder : CSA of original cylinder

= 2πr'h': 2πrh

= r'h' : rh

= 2r×1/4h : rh

= 2/4rh : rh

= 1/2 : 1

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