Question

Area if three medians of an equilateral triangle is known

Answer 1

vertex is called 3 meridian

Answer 2

a median of a triangle is a line segment joining a vertex to the midpoint of the opposite side bisecting it.everything that has exactly 3 median one from each vertex and their intersect each other at a triangle centroid .
in the case of isosceles equilateral triangle median bisect an angle at the vertex whose two adjacent sides are equal in length ..
the concept of a median exchange to Tetrahedea