the ratio of surface areas of two cubes is 1:9. find the ratio of their volumes?
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Answered by
35
let side of first cube be 'a' and of second cube be 'b'
surface area of a cube is 4 * side
4a/4b = 1/9
a/b = 1/9
volume of a cube is (side)^3
so a^3/b^3 = (1/9)^3 = 1/729
hope it helps!
surface area of a cube is 4 * side
4a/4b = 1/9
a/b = 1/9
volume of a cube is (side)^3
so a^3/b^3 = (1/9)^3 = 1/729
hope it helps!
Meghasyam:
Actually it should be TSA right?
Normally when they say surface area,it's actually TSA
what is the answer?
wait a min my ans is wrong sorry
its 1:27 all right
coz surface area of cube is 6a^2 not 4a
yeah
can you answer my second question ?
Answered by
60
I think the àns is correct
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