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Everything about Decagon totally explained
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| Edges and vertices |
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| Schläfli symbols |
simeq 7.694208843 a^2.
Construction
A regular decagon is constructible with a compass and straightedge.
- Complete steps 1 though 6 of constructing a pentagon.
- 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.
- 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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