# Semi-Circle in a Square in a Quarter Circle _Posted on Jul 19, 2020_ +-- {.image} [[SemiCircleinaSquareinaQuarterCircle.png:pic]] > The orange area is $10$. What’s the blue area? =-- * Thread [on twitter](https://twitter.com/Cshearer41/status/1284855316543418370) * [[semi-circle in a square in a quarter circle techniques]] * [[semi-circle in a square in a quarter circle solution]]