# Three Triangles in a Square _Posted on Aug 20, 2019_ +-- {.image} [[ThreeTrianglesinaSquare.png:pic]] > Inside this square are three triangles of equal area. How long is the red line? =-- * Thread [on twitter](https://twitter.com/Cshearer41/status/1163828761474805762) * [[three triangles in a square techniques]] * [[three triangles in a square solution]]