Question

In an equalateral triangle the orthocentre and centroid coincide

Answer 1

Answer:

Centroid: The intersection of the medians of the triangle. In order to prove that, In an equilateral triangle, circumcenter, incentre, centroid and orthocenter coincide, it is sufficient to prove that for any side median, altitude, perpendicular bisector and angle bisector of angle opposite to that side is common.