Short Notes : Coordinate Geometry

Cartesian Co-ordinate System

  • X axis is known as abscissa.
  • Y axis is known as ordinate.
  • (0,0) is the origin and denoted by ‘O’

Click here to read about the foundation courses for class 9th & 10th


Note: The coordinates of a point on the X-axis are of the form (X,0) and point on Y-axis are of the form (0,Y)

Click here to know the basics of quadrants from class 9th Coordinate chapter

Distance Formula

NOTE: Since, the distance is always positive, therefore we take only positive roots.

Section Formula



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Coordinates of Mid-Point (Special case of Section Formula)



Area of Triangle

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