Question

Two cylinders of equal volume have heights in the ratio 25 : 16. The ratio of their curved surface area is (a) 1:4 (b) 5:4 (c) 2:3 (d) 3:5​

Answer 1

Answer:

a) 1:4

Step-by-step explanation:

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Answer 2

Answer:

5:4

Step-by-step explanation:

let the height be 25h and 16h and radius be r and R

pier²25h=pieR²16h

r²25h=R²16h

r²/R²=16h/25h

r²/R²=16/25

r/R=4/5

r:R=5:4