How to calculate the angle between the diagonal and the surface of a cube?

Lina0

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How to calculate the angle between the diagonal and the surface of a cube?
This is a question from my math class and I'm really struggling here, can anyone help me?:confused:
 
How to calculate the angle between the diagonal and the surface of a cube?
This is a question from my math class and I'm really struggling here, can anyone help me?:confused:
You CANNOT!

You can calculate angle

between two lines

between the normal of a plane and a given line, etc....
 
How to calculate the angle between the diagonal and the surface of a cube?
This is a question from my math class and I'm really struggling here, can anyone help me?:confused:
As noted in the previous reply, the posted question is unanswerable.

Please reply with the exact text of, and instructions for, this exercise. Thank you! ;)
 
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