# Stacked Triangles _Posted on Jul 29, 2019_ +-- {.image} [[StackedTriangles.png:pic]] > Three of the triangles in this stack are equilateral. Find the sum of the pink and green areas. =-- * Thread [on twitter](https://twitter.com/Cshearer41/status/1155891589769781254) * [[stacked triangles techniques]] * [[stacked triangles solution]]