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单词 Decagon
释义

Decagon

The constructible regular 10-sided Polygon with Schläfli Symbol . TheInradius , Circumradius , and Area can be computed directly from the formulas for a generalregular Polygon with side length and sides,

(1)
(2)
(3)

Here, is the Golden Mean.

See also Decagram, Dodecagon, Trigonometry Values Pi/10, Undecagon


References

Dixon, R. Mathographics. New York: Dover, p. 18, 1991.

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更新时间:2025/4/3 10:04:39