Heron's Formula Synthetic Proof (Animation)
9:04
Heron's Formula, but Proven Elegantly
38:33
Pythagoras twisted squares: Why did they not teach you any of this in school?
3:56
Golden Ratio is Irrational from a Regular Pentagon (visual proof)
10:37
Heron's Formula Proof (the area of a triangle when you know all three sides)
14:47
4 DIFFERENT ways to prove Heron's formula
18:49
Como mentir usando provas visuais
16:33
Conway's IRIS and the windscreen wiper theorem
26:57