Math
posted by B.B. .
What is the ratio of the surface area for a pair of cylinders when the ratio of the height is 1:3?
A) 1:4 B)1:9 C)1:1 D) 1:27
My answer is D) 1:27. Is this correct?
Thanks.

If the linear ratio is 1:n,
the ratio of areas is 1:n²,
and the ratio of volumes is 1:n³
Can you now make your choice again?