Answers

2016-01-02T13:26:07+05:30
2(L + B) = 102
L + B = 52 

L.B = 640
(52-B).B= 640

on solving this 

B= 32 or 22 &
L= 20 or 30
3 3 3
2016-01-02T14:34:20+05:30
Question: The perimeter of a rectangle is 104 m and its area is 640 m^{2} . Find length and breadth.

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Answer:
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can't complete my answer.. i am busy ... have to go to  a party
sorryyy
i will complete later