# Square in a Circle in a Quarter Circle in a Square _Posted on Nov 4, 2018_ +-- {.image} [[SquareinaCircleinaQuarterCircleinaSquare.png:pic]] > There are three squares here. The smallest has area $4$. What's the missing area? =-- * Thread [on twitter](https://twitter.com/Cshearer41/status/1059200421305217024) * [[square in a circle in a quarter circle in a square techniques]] * [[square in a circle in a quarter circle in a square solution]]