A Solution to Crux Mathematicorum Problem 5021
Crux Mathematicorum Problem 5021, followed by a direct-similarity generalization proved with Pappus's theorem and a radical axis.
Topic
Projective geometry
2 solutions
A Solution to Crux Mathematicorum Problem 5109
Crux Mathematicorum Problem 5109, followed by a synthetic fixed-point argument and a projective generalization.