# One Rectangle Inside Another With Semi-Circles _Posted on Aug 5, 2019_ +-- {.image} [[OneRectangleInsideAnotherWithSemiCircles.png:pic]] > What fraction of the outer rectangle is shaded? =-- * Thread [on twitter](https://twitter.com/Cshearer41/status/1158291682519134208) * [[one rectangle inside another with semi-circles techniques]] * [[one rectangle inside another with semi-circles solution]]