Straight lines

Posted March 13th, 2010 by alpha

Two vertices of triangle are (5,-1) and (-2,3).If the orthocentre of the triangle is, the origin,find the coordinates of the third point.

Comments

On March 14th, 2010 Structure says:

You look for the orthocenter of your triangle.
See Orthocenter
Solve

$y-3=5(x+2)$

$2(y+1)=3(x-5)$

On March 13th, 2010 alpha says:

How should I solve this question?Please give me hints, then I'll try myself.If I get stuck at any point, I will inform you.

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``Old theorems never die; they turn into definitions.''
----E. Hewitt

''ALPHA" =)