Shortest distance from A to B, given a unit cube.

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# Shortest distance from A to B, given a unit cube.

##
One Reply to “Shortest distance from A to B, given a unit cube.”

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Shortest distance from A to B, given a unit cube.

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The last two frames are simplified by viewing [AB] as just the uninterrupted diagonal of a 2-by-1 rectangle dividing the latter in two congruent right triangles.