# Triangle Inside Circle and Triangle _Posted on Mar 20, 2019_ +-- {.image} [[TriangleInsideCircleandTriangle.png:pic]] > One corner of the equilateral triangle is at the centre of the semicircle. What's the total area of the large black triangle? =-- * Thread [on twitter](https://twitter.com/Cshearer41/status/1108433473105260545) * [[triangle inside circle and triangle techniques]] * [[triangle inside circle and triangle solution]]