Already graphed of course and it forms an isosceles right triangle but once again I don't understand how to prove it

 Nov 28, 2018

Are the legs the SAME LENGTH?

Are their slopes PERPINDICULAR?     m1 = slope and the other is  -1/m1

   THAT proves it....

 Nov 28, 2018

Here's the way to prove it, RP


AC and BC are the legs 


Show that AC = BC


Then....show that AC is perpendicular to AB


If you need help....let me know



cool cool cool

 Nov 28, 2018
edited by CPhill  Nov 28, 2018

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