anonymous
  • anonymous
perpendicular vector question
Mathematics
  • Stacey Warren - Expert brainly.com
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
consider 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
  • anonymous
I understand to use the cross product, but I dont see how I can create two vectors from the four points
phi
  • phi
use two vectors, each with base at origin and head at one of the corners.

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anonymous
  • anonymous
so the third point that I dont use wont matter?
phi
  • phi
now, it is redundant. You could use it as a check. (dot with your perpendicular and it will give 0)
anonymous
  • anonymous
ok thank you
IrishBoy123
  • IrishBoy123
or just stuff it into the plane equation which you will get from knowing the normal vector.

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