IF the breadth of a room is one fourth of its length and the perimeter of the room is 20 meters. Find the length and breadth of the room
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Let us take -
Length =l
now according to the question,
Breadth=(1/4)l
Now, we have perimeter-20m
So, 2(l+b)=20
this implies,
=>2(l+l/4)=20
=>2l + l/2 = 20
=>(4l+l)/2=20
=>5l/2=20
=>5l=40
=>l=8m
now , l=8
so, b=(1/4)l
=(1/4)×8
=2m.
Hence, length:- 8m
breadth:- 2m
hope this helps
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