Need detailed answer for this:
Find the perimeter of a rectangle whose length is 4 times its breadth and has area 10000sq cm
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Answer:
Let l be 4x and b be x
L x b=10000
4x square =10000
X square =2500
X=50 cm
So, l =200cm
B=50 cm
Perimeter =2(200+50)
=2x250
=500cm
It is your right answer..........
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