perpendicular line problem.

Nicholasfox shared this question 1 month ago
Answered

1. There's a triangular pyramid DABC, Why is the perpendicularline(C, faceABD) not perpendicular to the plane ABD?

https://www.geogebra.org/3d...

2. How to use variables like "faceABD"?

Comments (6)

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SetAxesRatio(1,1,1)

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Uh... It makes me look stupid.

Is there a more direct way to lock the axes ratio to 1:1:1?

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How to get a segment DE that is perpendicular to segment AB in faceABD? Thanks.

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Segment(D, Intersect(Line(A, B), PerpendicularPlane(D, Line(A, B))))

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Thank you.

Hope there's a "lock axes ratio" option in setting dialog, and a function likes PerpendicularLine(Point(A), line(B,C)) works for plane ABC.

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while editing not, when you upload to resource you can see advanced tab

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