In a quadrilateral ABCD, <A + <D = 180°. Does this mean AB II DC? Why – InterviewSolution

1.	In a quadrilateral ABCD, <A + <D = 180°. Does this mean AB II DC? Why? Whatspecial name does this quadrilateral have?
Answer» yes it may be square , rectangle , rhombus or parallelogram . hence their opp sides are always II .

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