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Nandam Mahesh · Answer 1 · 2019-07-29T09:44:29+0000

So because this quadrilateral's sides are the same, S, this means that this is a square. With that in mind, the area of a square is
A=x^2 , with x = sides. Since we have the area, we can solve for the side as such:

$1.69=S^2\\ √(1.69)=√(S^2)\\ 1.3=S$

In short, S = 1.3 km.

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