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Angle B=110 degrees
angle C=70 degrees
angle D=110 degrees
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ang A= ang C( opp. angles of a llgm are eq.)

angC= 70 degree

now angA+ angB = 180( adj. angles of a llgm are supply.)

angB=180 -70

       =110 dgree

again angB = angD ( opp. angles of a llgm are eq.)

ang D= 110 degree.

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