32.
Napoleon's Theorem. Proof |
33.
Nagel Point
34.
Newton's Theorem: Newton's Line.
35.
Nine-Point
Center, Nine-Point Circle, Euler Line
36.
Parallelogram with Squares theorem
37.
Pascal's Mystic Hexagram Theorem Proof
38.
Pentagons and Pentagrams.
Menelaus and Collinearity
39.
Platonic Solids.
Interactive animation.
40.
Poncelet's Theorem. Proof |
|