# Four Aligned Squares _Posted on Aug 10, 2018_ +-- {.image} [[FourAlignedSquares.png:pic]] > The area of the bottom left square is $5$. What's the area of the blue triangle? =-- * Thread [on twitter](https://twitter.com/Cshearer41/status/1027844515338616832) * [[four aligned squares techniques]] * [[four aligned squares solution]]