الدائرة المحصورة

Four cyclic polygons, each with a circle circumscribed about it

في الهندسة، الدائرة المحصورة circumscribed circle لفئة من النقاط هي دائرة تمر بكل منهن. Such a circle is said to circumscribe the points or a polygon formed from them; such a polygon is said to be inscribed في الدائرة.

• Circumcircle, the circumscribed circle of a triangle, which always exists for a given triangle.
• دائرة محيطة, a general polygon that can be circumscribed by a circle. The vertices of this polygon are concyclic points. All triangles are cyclic polygons.
• Cyclic quadrilateral, a special case of a cyclic polygon.

انظر أيضاً

• Smallest-circle problem, the related problem of finding the circle with minimal radius containing an arbitrary set of points, not necessarily passing through them.
• Inscribed figure