Trapezoids - Definition, Shape, Area, Formulas, Properties, Facts
https://www.splashlearn.com/math-vocabulary/geometry/trapezoid
WEBWhat is Trapezoid? A trapezoid, also known as a trapezium, is a flat closed shape having 4 straight sides, with one pair of parallel sides. The parallel sides of a trapezium are known as the bases, and its non-parallel sides are called legs. The parallel sides can be horizontal, vertical or slanting.
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