Area of Squares

Chef and Chef's friend are playing a game. Chef's friend gave him a grid of infinite dots and each dot is equidistant from the dot above it, below it, left to it and right to it (uniformly spaced, the distance being one unit). Chef is given a number $N$. He was told to draw a square whose area was $N$. The sides of the squares can only be drawn by joining any 4 dots as long as the conn