| Dictionary, Encyclopedia and Thesaurus - The Free Dictionary 1,761,960,145 visitors served. |
|
Dictionary/ thesaurus | Medical dictionary | Legal dictionary | Financial dictionary | Acronyms | Idioms | Encyclopedia | Wikipedia encyclopedia | ? |
quadrilateral |
Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia | 0.02 sec. |
quadrilateralPlane (two-dimensional) figure with four straight sides. The sum of all interior angles is 360°. The following are all quadrilaterals, each with distinguishing properties: square with four equal angles and sides, and four axes of symmetry; rectangle with four equal angles, opposite sides equal, and two axes of symmetry; rhombus with four equal sides, and two axes of symmetry; parallelogram with two pairs of parallel sides, and rotational symmetry; kite with two pairs of adjacent equal sides, and one axis of symmetry; and trapezium with one pair of parallel sides. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
|
| Hutchinson browser | ? | ? Full browser | |||
|---|---|---|---|---|---|
Four Sea Interludes Four Seasons, The Four Serious Songs Four Temperaments, The Four Temperaments, Theme and Variations, The Four Weddings and a Funeral four-colour process four-sided four-stroke cycle Fourcroy, Antoine Francois, Comte de Fourdrinier Fourdrinier machine Fourestier, Louis Fourier transform Fourier, Charles |
| ||||
| Hutchinson Encyclopedia |
| Free Tools: |
For surfers:
Free toolbar & extensions |
Word of the Day |
Help
For webmasters: Free content | Linking | Lookup box | Double-click lookup | Partner with us |
|---|