# Four Regular Polygons _Posted on Oct 8, 2018_ +-- {.image} [[FourRegularPolygons.png:pic]] > The area of two of these regular polygons has been given. Can you find the area of the red triangle? =-- * Thread [on twitter](https://twitter.com/Cshearer41/status/1049355186894987266) * [[four regular polygons techniques]] * [[four regular polygons solution]]