COORDINATE GEOMETRY | SECTION FORMULA, SOME IMPORTANT POINTS OF TRIANGLE | Internal division + proof + example :-Find the coordinates of a point which devides the line segments joining the points (6;2) and (-4;5) in the ratio 3:2 internally ., external division + proof + example:-Find the coordinates of a point which devides the line segments joining the points (6;2) and (-4;5) in the ratio 3:2 externally ., Why we use k:1 as ratio in section formulae and example, Centroid of a Triangle, Incenter of a Triangle, Excentre of a Triangle, Circumcenter of a Triangle, Orthocenter of a Triangle, The relation between circumcenter, centroid, and orthocenter of a triangle