# Stacked Hexagons _Posted on Aug 23, 2018_ +-- {.image} [[StackedHexagons.png:pic]] > Two of the regular hexagons are identical; the third has an area $10$. What's the area of the red triangle? =-- * Thread [on twitter](https://twitter.com/Cshearer41/status/1032677042721091587) * [[stacked hexagons techniques]] * [[stacked hexagons solution]]