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Alice, Bob, and the average shadow of a cube

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Alice, Bob, and the average shadow of a cube

Grant Sanderson
Dec 20, 2021
25
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Share this post

Alice, Bob, and the average shadow of a cube

3blue1brown.substack.com

This is a long one and took quite a bit of work in the end, but I hope you enjoy it. It's a story of problem-solving, centered on one quite fun puzzle, which is to find the average area for the shadow of a cube, averaged over all its possible orientations.

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