In quadrilateral ABCD, + =180^ What special name can be given to … - Vidyadip

Question

In quadrilateral ABCD, $\angle\text{A}+\angle\text{D}=180^\circ$ What special name can be given to this quadrilateral?

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Answer

In quadrilateral ABCD, $\angle\text{A}+\angle\text{D}=180^\circ$ i.e., the sum of two consecutive angles is 180^o. So, pair of opposite side AB and CD are parallel.
Therefore, quadrilateral ABCD is trapezium.
Hence, special name which can be given to this quadrilateral ABCD is trapezium.

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