SOLUTION: The equation d=√Δx^2+Δy^2 is valid only if Δx and Δy are magnitudes of vectors that have what orientation with respect to each other?

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Question 1146596: The equation d=√Δx^2+Δy^2 is valid only if Δx and Δy are magnitudes of vectors that have what orientation with respect to each other?
Found 2 solutions by richwmiller, ikleyn:
Answer by richwmiller(17219) About Me  (Show Source):
Answer by ikleyn(52778) About Me  (Show Source):
You can put this solution on YOUR website!
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This equation is valid if and only if the vectors  Δx  and  Δy  are PERPENDICULAR to each other.