# Three Right-Angled Triangles _Posted on Nov 30, 2019_ +-- {.image} [[ThreeRightAngledTriangles.png:pic]] > This pattern is made from three right angled triangles. The two red lengths are equal. What's the pink area? =-- * Thread [on twitter](https://twitter.com/Cshearer41/status/1200750389932507137) * [[three right-angled triangles techniques]] * [[three right-angled triangles solution]]