The point where three or more lines intersect.

(Usually refers to various centers of a triangle).

(Usually refers to various centers of a triangle).

In the figure above the three lines all intersect at the same point P - called the point of concurrency.

This concept is commonly used with the centers of triangles. Various lines drawn from a vertex of a triangle to the opposite side happen to pass through a common point, - a point of concurrency.

For more on this see Centers of a triangle.

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