# Two Squares Overlapping a Square _Posted on Feb 14, 2021_ +-- {.image} [[TwoSquaresOverlappingaSquare.png:pic]] > Three squares. The blue ones each have area 18. What’s the sum of the red lengths? =-- * Thread [on twitter](https://twitter.com/Cshearer41/status/1360891766929506308) * [[two squares overlapping a square techniques]] * [[two squares overlapping a square solution]]