Is it possible to design a rectangular park of perimeter 80 m and area 400 m2? If so, find its length and breadth.
NCERT Class X
Mathematics - Mathematics
Chapter _QUADRATIC EQUATIONS
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No, because
ATQ, 2(l+b) = 80 m
l + b = 40 m__________(1)
lb = 400 m ^ 2________(2)
Therefore, l= 20 m, b= 20m
But here, l= b
Then, it is a sqare, not a rectangle
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