Question

The sides of a cuboid are in ratio 6:4:3. surface area of its faces is 432 Sq. m. find its sides.???

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Answer 1

Step-by-step explanation:

T.s.a of cuboid =2 (lb+bh+hl)

Let l=6x, b=4x, h=3x

2 (6x×4x+4x×3x+3x×6x)=432

2 (24x^2+12x^2+18x^2)=432

2×54x^2=432

108x^2=432

x^2=432/108

x^2=4

x=2

6x=6×2=12

4x=4×2=8

3x=3×2=6