Viviani's theorem#MTBoS #iteachmath #math #maths #geometry pic.twitter.com/8xu8tOpwGV
— Idan Tal (@MagicPi2) May 19, 2019
Visual proof of Viviani's Theorem using @geogebra https://t.co/zdAZk0vpBY pic.twitter.com/ICkQhKqKAK
— Samantha (@APHTutoring) May 22, 2019