Question

If the ratio of length, breadth and height of a cuboid is 5:4:3 and its surface area is 13536 cm2 then find the height and length of the cuboid

Answer 1

Answer:

2(5x*4x+4x*3x+3x*5x)=376

2(20x²+12x²+15²)=376

2 × 47x² = 376

47x²=376/2

x²=188/47

x²=4

x=√4

x=2

dimensions

length=5x=5*2=10m

breadth=4x=4*2=8m

height=3x=3*2=6m

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