Circumscribed circle
From Biocrawler, the free encyclopedia.
Circumscribed circle
The circumscribed circle of a triangle is the unique circle passing through the three vertices (corners).
More generally, if all of the vertices of any polygon lie on a common circle, then that is the polygon's circumscribed circle. Most polygons have no circumscribed circle. Every triangle or rectangle, and every regular polygon, has a circumscribed circle.
The center of the circumscribed circle is the intersection of the perpendicular bisectors of the sides of the triangle.
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