# Two Circles and Two Semi-Circles _Posted on May 25, 2020_ +-- {.image} [[TwoCirclesandTwoSemiCircles.png:pic]] > The yellow area is $16$. What’s the total black area? =-- * Thread [on twitter](https://twitter.com/Cshearer41/status/1264912625378504709) * [[two circles and two semi-circles techniques]] * [[two circles and two semi-circles solution]]