The length of a hall is `20\ m` and width `16\ mdot` The sum of the area of the floor and the flat roof is equal to the sum of the areas of the four walls. Find the height and the volume of the hall.

Explanation

given `l=20m`

`h=16m`

according to question,

`2lb=2h(l+b)`

`2xx20xx16=2xxhxx36`

`h=80/9m`

now volume `=lbh`

`=20xx16xx80/9`

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