It is very interesting to me that this concept seems to be misrepresented in mainstream education. Euclid proved it in its basic form, using only previous postulates, axioms and so on, without ever mentioning any numerical measurement such as degrees.
It is very interesting to me that this concept seems to be misrepresented in mainstream education. Euclid proved it in its basic form, using only previous postulates, axioms and so on, without ever mentioning any numerical measurement such as degrees.
one of my favourites
I believe there’s an error in the narration at 1:32: angle ABC and ECD are equal to alpha but the narrator says they’re equal to gamma.
Simple and beautiful