"Pamela Paramour" <email@example.com> wrote in message news://mnp3nvchorqm@legacy... > Is a square a rectangle? When did the geniuses of the Math world come > up with that one? If you refer to Webster, a square is a > parallelogram with 4 EQUAL sides and 4 right angles. Wouldn't that > rule out a rectangle? Sorry, but I'm no math wiz, just wondering why > my daughter got that answer wrong on a math quiz. Would love this > explained in Laymons Terms. :)
Is a square a rectangle? Yes. Is a square is a parallelogram. Yes. Is a square is a quadrilateral. Yes. Is any rectangle a square? No. Are a square and a rectangle the same thing? No.
Think general versus specific categories. A Ford is a car. Not all cars are Fords. A squares is a rectangle. A rectangle is a parallelogram. A parallelogram is a quadrilateral. Each category is more general, including the previously named category, plus more.
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