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’
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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
NOTE: Since, the distance is always positive, therefore we take only positive roots.
Click here to read about the foundation courses for Class 9th and Class 10th
Coordinates of Mid-Point (Special case of Section Formula)
Area of Triangle
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