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Brain Trainer
by William Armstrong
Updated:
15 Feb 2011
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Diagonals of a Cube Puzzle

Genre: Math / Science Rating: 4 - Medium Source: Unknown
Brain Functions: Visualization / Exact Calculations Solution

Here is a classic puzzle I remember seeing when I was a child (about 50 years ago). What angle is inscribed by two diagonals (on two adjacent faces of a cube) that meet at a corner of the cube?

Diagonals of a Cube Puzzle




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