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Question #71660. Asked by **kingfeuder9997**.

Last updated **Oct 13 2016**.

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23 year member

1455 replies

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Square is a subset of rectangle, so **all squares are rectangles**. However, not all rectangles are squares. Rectangle can have incongruent adjacent sides, but square must have congruent adjacent sides.

https://math.okstate.edu/geoset/Projects/Ideas/SquareRect.htm

Quadrangles are all four figured shapes including regular (with names like square and parralelogram) and irregular with all different length sides. (satguru)

http://www.dictionary.com/browse/quadrangle

https://math.okstate.edu/geoset/Projects/Ideas/SquareRect.htm

Quadrangles are all four figured shapes including regular (with names like square and parralelogram) and irregular with all different length sides. (satguru)

http://www.dictionary.com/browse/quadrangle

Response last updated by

Oct 20 2006, 2:18 PM

Answer has

Answer has

All squares are rectangles. A rectangle has four right angles. However, not all rectangles are squares. A square does have four right angles, but the sides must also have the same measurement. So, only some rectangles are squares.

Feb 16 2007, 11:58 PM