The area of four walls of a room is 144m2
of the length of the room is thrice its breadth
and the height is 3m. Find the area of the floor
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Let ,
The breadth of the room be x
So , the length of the room = 3x
Given ,
The height of the room = 3 m
The area of the 4 walls = 144 m²
This implies ,
The LSA of the room = 144 m²
We know that , the LSA of cuboid is given by
Where ,
l = length of cuboid
b = breadth of cuboid
h = height of cuboid
Substitute the known values , we get
Hence , the length and breadth of cuboid are 18 m and 6 m respectively
&
The area of floor = length × Breadth i.e 108 m²
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