Concept information
Preferred term
bicentric polygon
Definition
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In geometry, a bicentric polygon is a tangential polygon (a polygon all of whose sides are tangent to an inner incircle) which is also cyclic — that is, inscribed in an outer circle that passes through each vertex of the polygon. All triangles and all regular polygons are bicentric. On the other hand, a rectangle with unequal sides is not bicentric, because no circle can be tangent to all four sides.
(Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Bicentric_polygon)
Broader concept
In other languages
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French
URI
http://data.loterre.fr/ark:/67375/PSR-LTN6N98M-4
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