A Solution to Crux Mathematicorum Problem 5021
A direct-similarity generalization proved with Pappus's theorem and a radical axis, presented without reproducing the original problem statement.
Topic
Transformations
4 entries in this archive currently use this topic.
A Solution to Crux Mathematicorum Problem 5031
A concise incircle-inversion proof using contact-chord midpoints and a cyclic quadrilateral, presented without reproducing the original problem statement.
Pappus and Radical Axis for Problem 5021
The Pappus configuration and two circumcircles used in the generalized solution to Crux Mathematicorum Problem 5021.
Incircle Inversion for Problem 5031
The incircle, its contact points, and the auxiliary intersections used in the inversion solution to Crux Mathematicorum Problem 5031.