Median (geometry) - Wikipedia

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Triangle center - Wikipedia

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What is the ratio of the area of the triangle formed by three points on a parabola to that of a triangle formed by tngents at this point? - Quora

What is the relationship between the sum of the lengths of three medians and the perimeter of a triangle? - Quora

Will the three medians of a triangle always intersect at a point equidistant from the three vertices of a triangle? - Quora

If two medians of a right triangle intersect each other at 90 degrees, what will be the ratio of the sides of the right triangle? - Quora

Nagel point - Wikipedia