# Four Circles in a Triangle in a Circle _Posted on Oct 22, 2018_ +-- {.image} [[FourCirclesinaTriangleinaCircle.png:pic]] > Four identical circles are packed into an equilateral triangle. What fraction of the larger circle is shaded? =-- * Thread [on twitter](https://twitter.com/Cshearer41/status/1054288785654059008) * [[four circles in a triangle in a circle techniques]] * [[four circles in a triangle in a circle solution]]