Question

why has the trapezium so named​

Answer 1

Answer:

becauseI it's parallel sides are equal

Answer 2

trapezium is defined by the properties it does not have. It has no parallel sides. Any quadrilateral drawn at random would probably be a trapezium. Since it has no interesting properties beyond those of a quadrilateral, it is not used much in geometry.

If the quadrilateral had one pair of parallel sides, it would be a trapezoid. If both pairs of sides are parallel, it would be a parallelogram.

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