Points of concurrency
From Latin: concurrere - "to run together"
The point where three or more lines intersect.
(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.
In relation to triangles
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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