Fermat's right triangle theorem - Wikipedia

Fermat point - Wikiwand

What was the actual text of Fermat's margin note claiming to have a proof for his last theorem? - Quora

li382026440.files.wordpress.com/2015/05/zhaoshuang

Fermat's last theorem: a proof for right-angled triangles

Triangle - Wikipedia, PDF, Triangle

Pierre de Fermat - Wikipedia

Fermat-Torricelli Point Generalization (aka Jacobi's theorem)

ABC is a unit isosceles right triangle. For Fermat point P, what is AP+BP+CP? - Quora

Fermat's Last Theorem - Wikipedia