The Dimension of a cuboid Are in the Ratio 4:3:1 and its total surface area is 950 cm2 .Find Its Dimensions.

Answer 1

let the sides be 4x , 3x, and x

2(4x)(x) + 2(4x)(3x) + 2(x)(3x) = 950
8x^2 + 24x^2 + 6x^2 = 950
38x^2 = 950
x^2 = 25
x = 5

the sides are 20 cm, 15 cm and 5 cm