Using Menelaus’ Theorem, Ceva’s Theorem, and harmonic bundles to find collinear points.
Classical theorems: Radical axes, Menelaus' Theorem, and power of a point. 107 geometry problems pdf
First, let us clarify the source. The "107 Geometry Problems" is not a commercial textbook. It is a curated collection of problems originally assembled by and Razvan Gelca , largely drawn from their seminal work, Mathematical Olympiad Challenges . However, the stand-alone PDF of "107 problems" primarily focuses on the geometry section of that broader curriculum. Using Menelaus’ Theorem