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Decagon
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Everything about Decagon totally explained

Edges and vertices 10
Schläfli symbols simeq 7.694208843 a^2.

Construction

A regular decagon is constructible with a compass and straightedge.
  1. Complete steps 1 though 6 of constructing a pentagon.
  2. Extend a line from each corner of the pentagon through the center of the circle made in step 1 of constructing a pentagon to the opposite side of that same circle.
  3. The five corners of the pentagon constitute every other corner of the decagon. The remaining five corners of the decagon are those points where the lines of step 2 cross the original circle (but not a pentagon corner).
Further Information

Get more info on 'Decagon'.


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This article contains text from the Wikipedia article Decagon (History) and is released under the GFDL | RSS Version