- #1
spoc21
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Homework Statement
Given triangle ABC with vertices A(4, 1, 7), B(-2, 1, 1) and C(-3, 5, -6)..is ABC a Right triangle
Homework Equations
The Attempt at a Solution
I took the dot product of vertices A(4, 1, 7).B(-2, 1, 1), and it gives 0..but however I am a little confused, as I'm not sure if this is the correct approach..
any help is much appreciated
thanks..