How to create 3-d line

[ValeryOchkov]

How to create 3-d (vertical) line thru the center of gravity?

How can we more simple create the 1-st and 2-d (horisontal) lines?

See please the Mathcad 15 sheet in attach. Thanks!

[Fred_Kohlhepp]

Surely you didn't just want this:

[ValeryOchkov · Accepted solution]

Thanks, Fred and Werner!

Both answer are correct! And I cannot put two marks "Correct Answer".

[Werner_E]

> And I cannot put two marks "Correct Answer".

No problem. And as Fred was first ...

[Werner_E]

Here's another approach (again using scatter plot):