Triangle Congruency Questions with Solutions, Centroid Properties

Triangle and its properties

Triangles - Similarity & Congruency - Concept and Properties.

Triangle and it's properties

Triangle and it's properties

Triangle and it's properties

If the points ( 2a, a), (a, 2a) and (a, a) enclose a triangle of area 72 units, then co-ordinates of the centroid of the triangle may be :

Prove that the medians of a triangle are concurrent and find the position vector of the point of concurrency (that is, the centroid of the triangle)