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| Math Central | Quandaries & Queries |
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Subject: geometric shapes Are all rectangles trapezoids? |
Sarah,
NO. A trapezoid is defined (in North America) to be a quadrilateral that has exactly one pair of parallel sides. (This object is called a trapezium in British English.) A quadrilateral with two pairs of parallel sides is called a parallelogram; a parallelogram with right angles is a rectangle.
Chris
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