# Seven Circles _Posted on Oct 5, 2019_ +-- {.image} [[SevenCircles.png:pic]] > The centres of all seven circles are marked. The width of the shaded ring is $1$. What's its area? =-- * Thread [on twitter](https://twitter.com/Cshearer41/status/1180372358248488960) * [[seven circles techniques]] * [[seven circles solution]]