Geometry and Algebra

**Finding coordinates of any points P and Q, in the given graph.**

Consider the given graph.

Here, the coordinates of the points P and Q are (0, 5) and (4, 9) respectively

• **Distance formula**

The distance between the points P (*x*_{1}, *y*_{1}) and Q (*x*_{2}, *y*_{2}) is given by

$\mathrm{PQ}=\sqrt{{\left({x}_{2}-{x}_{1}\right)}^{2}+{\left({y}_{2}-{y}_{1}\right)}^{2}}$

**Ex…**

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