Length of a rectangular tank is twice its breadth if the depth of the tank is 3m & area of its four wall is 108m^2 find the length of the tank
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let breadth = x
let length. = 2x
depth. = 3m
area of fourwall = 108m^2
so , breadth. =
2(2x + x) 3. = 108
6 x 3x. = 108
3x. = 18
x. = 6m
so, length. = 2x = 6x2
= 12m
let length. = 2x
depth. = 3m
area of fourwall = 108m^2
so , breadth. =
2(2x + x) 3. = 108
6 x 3x. = 108
3x. = 18
x. = 6m
so, length. = 2x = 6x2
= 12m
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