# Two Triangles and a Quarter Circle _Posted on Aug 12, 2023_ +-- {.image} [[TwoTrianglesandaQuarterCircle.jpeg:pic]] > The green triangles are congruent. What’s the angle? =-- * Thread [on twitter](https://x.com/Cshearer41/status/1690296037892558849) * [[two triangles and a quarter circle techniques]] * [[two triangles and a quarter circle solutions]]