CBSE Class 8 Answered
show that if the two angle of a quadrilateral is supplementary,then the quadrilateral become trapezium.
Asked by borahbhairabjyoti60 | 15 Mar, 2019, 11:09: PM
Expert Answer
Let us consider , in the quadrilateral ABCD shown in figure, A and B are supllementary, i.e. A + B = 180°.
A and B are interior angles when line segment AB intercepting two line segments AD and BC.
Since sum of interior angles is 180°, side BC is parallel to side AD. Hence quadrilateral ABCD is a trapezeium.
Hence it is proved that in a quadrilateral, two adjacent angles are supplementary, then this quadrilateral is trapezeium.
Answered by Thiyagarajan K | 16 Mar, 2019, 10:15: AM
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