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Exam task, Determine the height of the triangle.

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Lav
Lav 2023-8-21
关闭： Cris LaPierre 2023-8-21
  • Determine the height h of triangle ABC, if A(-1,0,1), B(0,2,-3),C(4,4,1).
Given formulas for solving in the command window:
P=0.5*|BAxBC|
P=(BC*h)/2
  • I'm a beginner.
The focus of my problem is how to vector multiply the vectors BA and BC, and if someone can, I would be grateful for the solution.
(I know the formula for the value of the vector product, but I don't know the angle to use it)
  1 个评论
Lav
Lav 2023-8-21
It may seem easy, but I've been struggling for a long time (4 hours). I tried to check the solution by using the scalar product property (the scalar product of base BC and height is =0) but I don't get 0

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