In a similar vein to a question I asked a few days ago:
Do all two-colorings of $\mathbb{R}^2$ contain three points of the same color which form the vertices of a degenerate triangle of side-lengths (1,1,2)?
In a similar vein to a question I asked a few days ago:
Do all two-colorings of $\mathbb{R}^2$ contain three points of the same color which form the vertices of a degenerate triangle of side-lengths (1,1,2)?