• tetris11@feddit.uk
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      2 days ago

      uhhh, wait. Under what projection is OP’s “square” reduced to an actual square

        • tetris11@feddit.uk
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          2 days ago

          Im gonna need more than that as an explanation. Sandwiches too if you’re making some

          • Machinist@lemmy.world
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            1 day ago

            Imagine you have a cookie cutter in that shape. Cut a cookie as thick as the chord of the largest arc.

            View the new vertical surface of the longest arc that is now a cylindrical section.

            Viola, square. 😁