SOLUTION: PLEEEASE HEELP!! PLEASE! Show in two ways that the points (6,1) (2,-3) and (4,-5) are the vertices of a right triangle.

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Question 864715: PLEEEASE HEELP!! PLEASE! Show in two ways that the points (6,1) (2,-3) and (4,-5) are the vertices of a right triangle.
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi

(6,1) 

(2,-3)  m = 4/4 = 1   D = sqrt(32), D^2 = 32

(4,-5)  m = 2/-2 = -1  Lines perpendicular, right angle, d = sqrt(8), D^2 = 8

(6,1)  D = sqrt(36 + 4) = sqrt(40), D^2 = 40

   32 + 8 = 40