Importance of parallelograms
Topics in Importance of parallelograms
Numbered in the order to learn them.
Error Analysis of Approximation from Limits Towards Infinity
Error Analysis: Taylor's Theorem for Constant Approximation
Building up to SAS congruence: only using translations and rotations
Angle bisector theorem
Equivalence with normal constructions
Link to projective theorems (including Ceva, Menelaus, Pascal, Brianchon, Desargue, Monge)