Machu Picchu, Geometry Theorems and Problems, Online Education

Recent Additions 12, Theorems and Problems, Plane Geometry

 31. Morley's Theorem. See more.



 

 

 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



 

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Last updated: November 17, 2007