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Co-ordinate geometry tell us the location of a point on a plane .
the coordinates of a point are (x, y),
where x-coordinate (abscissa) denotes the distance of a point from the y-axis
and y-coordinate (ordinate denotes the distance of the point from the x-axis
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Required conditions for a triangle:
- A triangle has three sides. The sum of the lengths of any two sides of a triangle is greater than the length of the third side.
- AB + BC = AC
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