Geometry Problem 1358: Regular Dodecagon, Diagonal, Concurrency, Concurrent Lines.

Proposition

The figure below shows a regular dodecagon ABCDEFGHJKLM. Prove that diagonals AE, BF, CH, and DL are concurrent at P.
 


Geometry Problem 1358: Regular Dodecagon, Diagonal, Concurrency, Concurrent Lines

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Sketch of problem 1358


Sketch of Geometry Problem 1358 using iPad Apps, Tutor

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Geometry Problem 1358 Solution(s)