# Upside-Down Semi-Circles in a Semi-Circle _Posted on Jul 30, 2019_ +-- {.image} [[UpsideDownSemiCirclesinaSemiCircle.png:pic]] > What proportion of each diagram is shaded? Give your answers as decimals. What comes next? =-- * Thread [on twitter](https://twitter.com/Cshearer41/status/1156189085410742273) * [[upside-down semi-circles in a semi-circle techniques]] * [[upside-down semi-circles in a semi-circle solution]]