Question

The length of a hall is 24 m and it's width is 16m if the lateral surface area of the hole is two third of the sum of the area of the roof and the floor find its height

Answer 1

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2lh+2bh=2/3*lb+lb

2lh+2bh=2/3*384

" " =2*128

48h+32h=256

80h=256

h=3.2

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