Two cubes have their volumes in the ratio 1:27. Find the ratio of thei

1.	Two cubes have their volumes in the ratio 1:27. Find the ratio of their surface areas
Answer» let x and y are sides of cubesx3/y3=1/27 so x/y=1/3ratio of SA = 6x2/6y2=x2/y2=(x/y)^2=(1/3)^2=1/9\xa0 1:3 The ratio of their surface area is 1:9 1:3 1:9

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