krazy-8
2,344
reputation
"Sharing tea with a fascinating stranger is one of life's true delights."
My favourite answers:
- Given a line segment, a line parallel to it, and a straightedge, divide the segment into $n$ equal segments
- Property of the Anticenter of the cyclic quadrilateral
- Concurrency involving equilateral triangles constructed outside a triangle
- Geometric proof of the triple tangent and cotangent identities