In a quadrilateral if a pair of adjacent angles are equal to 90 degrees ,is the pair of opposite sides
parallel to each other ?

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Solution

Yes they will be parallel because the only possible cases are if they form a square or rectangle.

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If a quadrilateral ABCD is a parallelogram then

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In a quadrilateral if a pair of adjacent angles are equal to 90 degrees ,is the pair of opposite sidesparallel to each other ?

Yes they will be parallel because the only possible cases are if they form a square or rectangle.

In a quadrilateral if a pair of adjacent angles are equal to 90 degrees ,is the pair of opposite sides
parallel to each other ?