If you stack 3 cubes, how long is their diagonal?
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Hand-picked by a BrighterTube curator · found via round-3 back catalogue of a channel Lumen picks video by video · 82% confidenceWorks through finding the diagonal length of stacked cubes. Direct title names the specific 3D geometry problem.
A 5-minute video from MindYourDecisions: “If you stack 3 cubes, how long is their diagonal?”.
Video by MindYourDecisions, played through YouTube's embedded player.