SOLUTION: Three points A, B, C, in the xy-plane have coordinates A(4, 3), B(−6, 2), C(−5, −7). Determine whether triangle ABC is a right triangle.

Question 1191667: Three points A, B, C, in the xy-plane have coordinates A(4, 3), B(−6, 2), C(−5, −7).
Determine whether triangle ABC is a right triangle.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Three points A, B, C, in the xy-plane have coordinates A(4, 3), B(−6, 2), C(−5, −7).
Determine whether triangle ABC is a right triangle.
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Find the 3 lengths.
If the square of the longest is the sum of the squares of the other 2, it's a right triangle. o/w, not.
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