Page 1 - MM
P. 1

SAI International School
                                                       CLASS - X

               Mathematics
               CHAPTER-7: Co-Ordinate Geom-3

               Mind Map-3
               SUBTOPIC :Area Of Triangle








                                                 Co-ordinate


                                                   Geometry











                                                                         1. Condition for Colinearty
                                                                                of three points
                  Area of a Triangle
                                                                            2. Co-ordinates of  the
                  where A(x1,y1), B(x2,y2),C(x3,y3)                         Centroid of a triangle
                  A=  /   |    (    −    )+    (    −    )+                  3.Co-ordinate of the
                      (    −    )|
                                                                             Circumcentre of the
                                                                                    Triangle
                                                                           4.Area of Quadrilateral















                                                              1
   1