# Four Squares and a Semi-Circle _Posted on Sep 7, 2019_ +-- {.image} [[FourSquaresandaSemiCircle.png:pic]] > If the biggest square has area $18$, what's the total area of all four squares? =-- * Thread [on twitter](https://twitter.com/Cshearer41/status/1170242031148503040) * [[four squares and a semi-circle techniques]] * [[four squares and a semi-circle solution]]