# Semi-Circle and Tangents in a Square _Posted on Nov 17, 2018_ +-- {.image} [[SemiCircleandTangentsinaSquare.png:pic]] > The yellow lines are tangents to the semicircle. What fraction of the square is shaded? =-- * Thread [on twitter](https://twitter.com/Cshearer41/status/1063778181281386498) * [[semi-circle and tangents in a square techniques]] * [[semi-circle and tangents in a square solution]]