• thedirtyknapkin@lemmy.world
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    21 hours 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
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      18 hours ago

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