SOLUTION: show in a new way that the points (-1 -2), (5 4), (-3 0) are the vertices of a right triangle drawing pls

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Question 1045523: show in a new way that the points (-1 -2), (5 4), (-3 0) are the vertices of a right triangle
drawing pls
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!

(-1 -2), (5 4), m = -6/-6 = 1
(-1 -2), (-3,0), m = 2/-2= -1 lines are perpendicular at P(-1,-2)