Finding distance between two points.

**jscalalamoboy** · May 24th 2008, 12:33 PM

How... Can you show me on one problem? (3,-6); (8,6)

**r_maths** · May 24th 2008, 12:39 PM

$(x_{1},y_{1}) (x_{2},y_{2})$

$d=\sqrt{(x_{2}-x_{1})^{2}+(y_{2}-y_{1})^{2}}$

**Moo** · May 24th 2008, 12:43 PM

Hello,

Originally Posted by jscalalamoboy

How... Can you show me on one problem? (3,-6); (8,6)

Let $M(x_M~,~y_M)$ and $N(x_N~,~y_N)$

$MN$ is defined as following :

$MN=\sqrt{(x_N-x_M)^2+(y_N-y_M)^2}$

Take a look at the attachment, and think "Pythagorean theorem" !

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