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avatar+2448 

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
 #1
avatar+18839 
+1

Are the legs the SAME LENGTH?

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

   THAT proves it....

 Nov 28, 2018
 #2
avatar+102905 
+2

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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