the ratio of the volumes if two cubes is 1:27 . then find the ratio of the total surface area of rhe cubes
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let the length of each side of first'cube=x unit
let the length of each side of second cube=y unit
volume of first cube/volume of second cube=1/27
x^3/y^3=1/27
x/y=1/3
surface area of first cube/surface area of second cube=6x^2/6y^2
(x/y)^2=(1/3)^2=1/9=1:9
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