daothanhoai3 Works

Generalization of Fermat-Dao-Nhi Equilateral Triangle GeoGebra Demo

2022-07-16 17:31

Generalization of the Fourth Fermat-Dao-Nhi Equilateral Triangle

2022-07-16 17:26

Constants in a Triangle: Orthocenter and Circumcenter Relations

2026-06-16 17:05