Morley's Theorem – Dynamic & modifiable illustrator w/o words: https://t.co/se5j3nEutR. How to prove? 🤔 @geogebra #MTBoS #ITeachMath #EdTech #math #maths #geometry #proof #HSMath #CollegeMath pic.twitter.com/1gnukDL1yh
— Tim Brzezinski (@TimBrzezinski) May 17, 2019