Parallelogram - Wikipedia, the free encyclopedia
In geometry, a parallelogram is a quadrilateral with two pairs of parallel sides. The opposite or facing sides of a parallelogram are of equal length, and the opposite angles of a ...

Parallelogram definition - Math Open Reference
Parallelogram definition and properties ... Try this Drag the orange dots on each vertex to reshape the parallelogram.

Parallelogram -- from Wolfram MathWorld
A parallelogram is a quadrilateral with opposite sides parallel (and therefore opposite angles equal). A quadrilateral with equal sides is called a rhombus, and a parallelogram ...

parallelogram
1. The opposite sides are equal in length. 2. The opposite angles are congruent. 3. The diagonals bisect each other.

parallelogram Facts, information, pictures | Encyclopedia.com articles ...
Get information, facts, and pictures about parallelogram at Encyclopedia.com. Make research projects and school reports about parallelogram easy with credible articles from our ...

Parallelogram | Define Parallelogram at Dictionary.com
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Area of a Parallelogram
Area of a parallelogram is presented in this free lesson from Math Goodies.

parallelogram - definition of parallelogram by the Free Online ...
par·al·lel·o·gram (p r-l l-gr m) n. A four-sided plane figure with opposite sides parallel. [Late Latin parall logrammum, from Greek parall logrammon, from neuter sing. of ...

parallelogram - Definition of parallelogram at YourDictionary.com
a plane figure with four sides, having the opposite sides parallel and equal

parallelogram definition of parallelogram in the Free Online ...
parallelogram, closed plane figure bounded by four line segments, or sides, with opposite pairs of sides parallel and equal in length. The rhombus, rectangle, and square are ...