In parallelogram ABCD, angle A =3time angle B .find all the angles of the parallelogram.

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Quadrilateral.. series . In parallelogram ABCD, angle A =3time angle B .find all the angles of the parallelogram.In the same parallelogram ,if AB=5x-7 and CD=3x+1,find the lenght of CD. by Mi sir ICSE CBSE Board
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