Trapezoid - Wikipedia, the free encyclopedia
In geometry, a four-sided figure with one pair of parallel sides is referred to as trapezoid in American English and as a trapezium in British English.

Trapezoid -- from Wolfram MathWorld
A trapezoid is a quadrilateral with two sides parallel. The trapezoid is equivalent to the British definition of trapezium (Bronshtein and Semendyayev 1977, p. 174). The trapezoid ...

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The Trapezoid
The trapezoid is a quadrilateral with one pair of parallel sides. The parallel sides of a trapezoid are called the bases, here symbolized by b 1 and b 2.

Order of the Trapezoid

Trapezoid definition - Math Open Reference
Trapezoid definition and properties ... Try this Drag the orange dots on each vertex to reshape the figure. Notice that the sides AB and CD remain parallel.

Isosceles trapezoid - Wikipedia, the free encyclopedia
An isosceles trapezoid (isosceles trapezium in British English) is a quadrilateral with a line of symmetry bisecting one pair of opposite sides, making it automatically a trapezoid.

trapezoid: Definition from Answers.com
(Click to enlarge) trapezoid (Academy Artworks) trapezoid ( ) n. A quadrilateral having two parallel sides

Trapezoid | Define Trapezoid at Dictionary.com
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trapezoid - definition of trapezoid by the Free Online Dictionary ...
trap·e·zoid (tr p-zoid) n. 1. A quadrilateral having two parallel sides. 2. A small bone in the wrist, situated near the base of the index finger.