Viviani’s Theorem: in an equilateral △, the sum of the distances from any interior point to the 3 sides is equal to the height of the △ Posted on 2021/09/27 by Carl Robitaille Viviani's Theorem: in an equilateral △, the sum of the distances from any interior point to the 3 sides is equal to the height of the △ pic.twitter.com/QMr4R7hYrf— Fermat's Library (@fermatslibrary) September 19, 2021