내접다각형(cyclic polygon)은 모든 꼭짓점이 같은 원 위에 있는 다각형이다. 이때 원은 외접원(circumscribed circle)이라 부른다.
https://en.wikipedia.org/wiki/Circumscribed_circle
Circumscribed circle - Wikipedia
From Wikipedia, the free encyclopedia Jump to navigation Jump to search Circle that passes through all the vertices of a polygon Circumscribed circle, C, and circumcenter, O, of a cyclic polygon, P In geometry, the circumscribed circle or circumcircle of a
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