# Diagonal in a Square _Posted on Oct 11, 2019_ +-- {.image} [[DiagonalinaSquare.png:pic]] > The point lies on the diagonal of the square so that $a + b = c$. What's the angle? =-- * Thread [on twitter](https://twitter.com/Cshearer41/status/1182594496938336257) * [[diagonal in a square techniques]] * [[diagonal in a square solution]]