Through sides

The median of the triangle emerges from the corner and divides the opposite side in half. You can find the median in an arbitrary triangle using Stewart's theorem. Stewart's theorem states that if there is a point A on the side of the triangle connected to an angle opposite to that side, then there is a ratio of all three sides of the triangle, in which it becomes possible to find not only the parts into which point A divided the above side, but also a segment, connecting point A with the angle of the triangle.