Difference between revisions of "Rectangle"
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A '''rectangle''' is a [[quadrilateral]] in which all [[angle]]s are [[right angle]]s. Every rectangle is a [[parallelogram]] and so has all the properties of a parallelogram. In addition, rectangles have [[congruent (geometry)|congruent]] [[diagonal]]s. | A '''rectangle''' is a [[quadrilateral]] in which all [[angle]]s are [[right angle]]s. Every rectangle is a [[parallelogram]] and so has all the properties of a parallelogram. In addition, rectangles have [[congruent (geometry)|congruent]] [[diagonal]]s. | ||
[[Square (geometry) | Square]]s are the only rectangles which are also [[rhombus]]es. | [[Square (geometry) | Square]]s are the only rectangles which are also [[rhombus]]es. | ||
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| + | ==See Also== | ||
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| + | [[Area]] | ||
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| + | [[British Flag Theorem]] | ||
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| + | [[Ptolemy's Theorem]] | ||
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[[Category:Definition]] | [[Category:Definition]] | ||
| + | {{stub}} | ||
Revision as of 11:36, 26 October 2007
A rectangle is a quadrilateral in which all angles are right angles. Every rectangle is a parallelogram and so has all the properties of a parallelogram. In addition, rectangles have congruent diagonals.
Squares are the only rectangles which are also rhombuses.
See Also
Ptolemy's Theorem This article is a stub. Help us out by expanding it.
