# Five Semi-Circles Around a Rectangle _Posted on Dec 11, 2019_ +-- {.image} [[FiveSemiCirclesAroundaRectangle.png:pic]] > Three of these semicircles have area $36$. What's the total area of the other two? =-- * Thread [on twitter](https://twitter.com/Cshearer41/status/1204855259136434176) * [[five semi-circles around a rectangle techniques]] * [[five semi-circles around a rectangle solution]]