# Two Circles Inside Two Polygons Inside a Circle _Posted on Apr 26, 2019_ +-- {.image} [[TwoCirclesInsideTwoPolygonsInsideaCircle.png:pic]] > Two circles, inside two regular polygons, inside a large circle. What fraction is shaded? =-- * Thread [on twitter](https://twitter.com/Cshearer41/status/1121856359782330368) * [[two circles inside two polygons inside a circle techniques]] * [[two circles inside two polygons inside a circle solution]]