The Italian mathematician Vincenzo Viviani (April 5, 1622 – September 22, 1703) gave his name to a theorem applicable to EQUILATERAL triangles - i.e. triangles with all three sides the same length.
Viviani's Theorem
The Italian mathematician Vincenzo Viviani (April 5, 1622 – September 22, 1703) gave his name to a theorem applicable to EQUILATERAL triangles - i.e. triangles with all three sides the same length.
Viviani's Theorem