Difference between revisions of "Quadrilateral"
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| − | A '''quadrilateral''' is a four-sided | + | A '''quadrilateral''' is a four-sided [[polygon]]. Some special quadrilaterals include [[square (geometry) | square]]s, [[rectangle]]s, [[rhombus|rhombi]], [[parallelogram]]s, [[trapezoid]]s, [[kite]]s, and [[cyclic quadrilateral]]s. |
| + | == Introductory topics == | ||
| + | * [[Cyclic quadrilateral]]s | ||
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=== Resources === | === Resources === | ||
==== Books ==== | ==== Books ==== | ||
* [http://www.artofproblemsolving.com/Books/AoPS_B_Item.php?page_id=9 Introduction to Geometry] by [[Richard Rusczyk]] | * [http://www.artofproblemsolving.com/Books/AoPS_B_Item.php?page_id=9 Introduction to Geometry] by [[Richard Rusczyk]] | ||
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== Intermediate topics == | == Intermediate topics == | ||
* [[Ptolemy's Theorem]] | * [[Ptolemy's Theorem]] | ||
| + | * [[Brahmagupta's formula]] | ||
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=== Resources === | === Resources === | ||
==== Books ==== | ==== Books ==== | ||
* [http://www.amazon.com/exec/obidos/ASIN/0486691543/artofproblems-20 Challenging Problems in Geometry] -- A good book for students who already have a solid handle on elementary geometry. | * [http://www.amazon.com/exec/obidos/ASIN/0486691543/artofproblems-20 Challenging Problems in Geometry] -- A good book for students who already have a solid handle on elementary geometry. | ||
* [http://www.amazon.com/exec/obidos/ASIN/0883856190/artofproblems-20 Geometry Revisited] -- A classic. | * [http://www.amazon.com/exec/obidos/ASIN/0883856190/artofproblems-20 Geometry Revisited] -- A classic. | ||
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| + | [[Category:Definition]] | ||
| + | [[Category:Geometry]] | ||
Revision as of 13:33, 23 October 2007
A quadrilateral is a four-sided polygon. Some special quadrilaterals include squares, rectangles, rhombi, parallelograms, trapezoids, kites, and cyclic quadrilaterals.
Contents
Introductory topics
Resources
Books
Intermediate topics
Resources
Books
- Challenging Problems in Geometry -- A good book for students who already have a solid handle on elementary geometry.
- Geometry Revisited -- A classic.
