Centroid of a triangle | formula related to centroid for ssc|

1) Centroid (G)
2) relation of exterior point and centroid
3)relation between a line passing through centroid and sides of triangle
4)medial triangle
5)median of a triangle
6)case study
7)If two medians are perpendicular
8) coordinates of centroid of a triangle
9)formulas using medians of triangles and its sides
10) Ceva's theorems