## If an angle of a parallelogram is two seventh of its adjacent angle, what is the smallest angle of the parallelogram?

Question

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## Answers ( )

Let x and y be two adjacent angles of a parallelogram.

According to the question,

We know in parallelogram, sum of adjacent angles are supplementary.

Substituting value of y in equation ( 1 ) we get,

We know that, in parallelogram opposite angles are equal.

∴ Four angles of parallelogram are