I felt like visualizing how scaling up a shape by 2 quadruples its area. The pentagon was a huge pain to figure out. I stopped before heptagon because I'd die before even trying that monstrosity. I wonder, is there a way to do this kind of thing for a circle?
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Can the circles can overlap?
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I don't think so. I'm thinking more of if there's some way to break up 4 circles to perfectly form one larger circle.