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Difference between revisions of "Rectangle"

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A quadrangle all angles of which are straight, i.e. <img align="absmiddle" border="0" src="https://www.encyclopediaofmath.org/legacyimages/r/r080/r080110/r0801101.png" />° (cf. [[Quadrangle, complete|Quadrangle, complete]]). A rectangle is a special [[Parallelogram|parallelogram]].
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A quadrangle all angles of which are straight, i.e. $90$° (cf. [[Quadrangle, complete|Quadrangle, complete]]). A rectangle is a special [[Parallelogram|parallelogram]].

Latest revision as of 09:43, 19 April 2014

A quadrangle all angles of which are straight, i.e. $90$° (cf. Quadrangle, complete). A rectangle is a special parallelogram.

How to Cite This Entry:
Rectangle. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Rectangle&oldid=31850