Question 1114608
 box has dimensions 2"x 3" x 4".  Determine the angle theta formed by the diagonal of the 2" x 3" side and the diagonal of the 3" x 4" side
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They're right triangles.
There are 2 angles.
On the 2 by 3 side:
tan = 2/3 or 3/2
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On the 3 by 4 side:
tan = 3/4 or 4/3