if the ratio of two conjoined angles of a parallelogram is 5:7, find the angles of the parallelogram.
mysticd:
what is meaning of conjoined , is it adjacent angles
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let angles be x then 5x+7x=180 degree because they are co-interior angles and they lie on the same base...so x=15 ..hence first angle=75degree and second is 105 degreee
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