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anonymous
 one year ago
perpendicular vector question
anonymous
 one year ago
perpendicular vector question

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0consider a parallelogram with the following points (0,0,0) (0,1,1) (1,0,2) (1,1,3) find a vector perpendicular to the parallelogram

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I understand to use the cross product, but I dont see how I can create two vectors from the four points

phi
 one year ago
Best ResponseYou've already chosen the best response.2use two vectors, each with base at origin and head at one of the corners.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0so the third point that I dont use wont matter?

phi
 one year ago
Best ResponseYou've already chosen the best response.2now, it is redundant. You could use it as a check. (dot with your perpendicular and it will give 0)

IrishBoy123
 one year ago
Best ResponseYou've already chosen the best response.0or just stuff it into the plane equation which you will get from knowing the normal vector.
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