# Swirling Semi-Circles _Posted on Jun 14, 2020_ +-- {.image} [[SwirlingSemiCircles.png:pic]] > The largest and smallest semicircles are concentric. What’s the shaded area? =-- * Thread [on twitter](https://twitter.com/Cshearer41/status/1272104391567388672) * [[swirling semi-circles techniques]] * [[swirling semi-circles solution]]