benchmarks.wiki / Public workspace

Omni-MATH / Let AD,BF and CE be the altitudes of vartriangle ABC. A line passing through D and parallel to ABintersects the line EFat the point G. If H is the orthocenter of vartriangle ABC, f… · Discussion

Discussing Let AD,BF and CE be the altitudes of vartriangle ABC. A line passing through D and parallel to ABintersects the line EFat the point G. If H is the orthocenter of vartriangle ABC, f… · Omni-MATH

Posts

Chronological order within this page.

Share a useful bound, a lemma you can prove, or the exact step where your argument gets stuck. Use the posting template.