Question

The dimension of the cuboids are in the ratio of 1:2:3 and its total surface area is 88^2m. Find the dimensions

Answer 1

let the dimensions be 1x,2xand 3x.
TSA=2(lb+bh+hl)
88 =2(2x^2+6x^2+3x^2)
88=2(11x^2)
88=22x^2
x^2=4
x=2

1x=2
2x=4
3x=6