• thedirtyknapkin@lemmy.world
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        14 days ago

        a square is a POLYGON with four equal sides and four right angles.

        a polygon is a closed shape with only straight lines.

        I’m pretty sure “parallel” could be in there too, but these rules would make that redundant.

        • burgersc12@mander.xyz
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          14 days ago

          But the picture doesn’t say anything like that. It just says it “has four right angles” and is obviously tongue-in-cheek