# Triangles in a Semi-Circle _Posted on Nov 13, 2018_ +-- {.image} [[TrianglesinaSemiCircle.png:pic]] > What's the area of the semicircle? =-- * Thread [on twitter](https://twitter.com/Cshearer41/status/1062395121612795905) * [[triangles in a semi-circle techniques]] * [[triangles in a semi-circle solution]]