Quadrilaterals

We know that a quadrilateral is four-sided polygon. A quadrilateral has four sides, four angles, and two diagonals. Quadrilaterals can be classified with reference to their properties as follows:

  • The quadrilateral has only one pair of parallel sides, then the quadrilateral is called trapezium.

Two pairs of sides are parallel, then the quadrilateral is called a parallelogram.

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