Difference between revisions of "Quadrilateral"
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− | A '''quadrilateral''' is a four-sided [[polygon]]. Some common quadrilaterals are [[square (geometry) | square]]s, [[rectangle]]s, [[rhombus]] | + | A '''quadrilateral''' is a four-sided [[polygon]]. Some common quadrilaterals are [[square (geometry) | square]]s, [[rectangle]]s, [[rhombus|rhombi]], [[parallelogram]]s, [[trapezoid]]s and [[kite]]s. |
Revision as of 11:57, 22 October 2007
A quadrilateral is a four-sided polygon. Some common quadrilaterals are squares, rectangles, rhombi, parallelograms, trapezoids and kites.
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.