Answers

2016-03-02T23:37:28+05:30
Perimeter of rectangle = 104m
area of rectangle= 640m²
640= length*breadth
breath= 640/length ——equation 1
104= 2(L+ B)
from equation 1
104= 2(L+ 640/L)
104/2=(L²/L+ 640/L)
52= 1/L(L²+ 640)
52L=L²+640
L²-52L+640=0
then u have to do factorisation...
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