Pronunciation: /ˌkwɒ.drəˈlæt.ər.əl/ Explain
Click on the blue points in the figure and drag them to change the figure.|
|Manipulative 1 - Types of Quadrilaterals Created with GeoGebra.||
A quadrilateral is any four-sided polygon. Many of the
figures studied in elementary
are quadrilaterals. Manipulative 1 shows different types of
quadrilaterals and their names.
- A quadrilateral is a
with four sides.
- A kite
is a quadrilateral where two pair of adjacent sides are equal.
- A trapezoid
is a quadrilateral with two sides that are
The parallel sides are opposite each other.
- A parallelogram
is a quadrilateral where both sets of opposite sides are parallel.
- A rectangle
is a parallelogram where the sides meet at
- A rhombus
is a quadrilateral with four equal sides.
- A square
is a rectangle with equal sides.
- McAdams, David E.. All Math Words Dictionary, quadrilateral. 2nd Classroom edition 20150108-4799968. pg 148. Life is a Story Problem LLC. January 8, 2015. Buy the book
- Casey, John, LL.D., F.R.S.. The First Six Books of the Elements of Euclid. pg 9. Translated by Casey, John, LL.D. F.R.S.. www.archive.org. Hodges, Figgis & Co.. 1890. Last Accessed 12/4/2018. http://www.archive.org/stream/firstsixbooksofe00caseuoft#page/9/mode/1up/search/quadrilateral. Buy the book
- Stöcker, K.H.. The Elements of Constructive Geometry, Inductively Presented. pg 22. Translated by Noetling, William A.M, C.E.. www.archive.org. Silver, Burdett & Company. 1897. Last Accessed 12/4/2018. http://www.archive.org/stream/elementsofconstr00noetrich#page/22/mode/1up/search/quadrilateral. Buy the book
- Keller, Samuel Smith. Mathematics for Engineering Students, Plane and Solid Geometry. pg 33. www.archive.org. D. Van Nostrand Company. 1908. Last Accessed 12/4/2018. http://www.archive.org/stream/mathengineer00kellrich#page/33/mode/1up/search/quadrilateral. Buy the book
- Convex. ams.org. Geometry Glossary. American Mathematical Society. Last Accessed 12/4/2018. http://www.ams.org/featurecolumn/archive/geometry-glossary.html.
Cite this article as:
McAdams, David E. Quadrilateral. 3/28/2019. All Math Words Encyclopedia. Life is a Story Problem LLC. https://www.allmathwords.org/en/q/quadrilateral.html.
12/21/2018: Reviewed and corrected IPA pronunication. (McAdams, David E.)
12/3/2018: Removed broken links, updated license, implemented new markup, updated geogebra app. (McAdams, David E.)
8/7/2018: Changed vocabulary links to WORDLINK format. (McAdams, David E.)
8/3/2018: Initial version. (McAdams, David E.)