value of x,y,z. please help me
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56 + y = 125° (opp. sides of a parallelogram are equal)
so y = 125 - 56 = 69
z + y = 180 (adjacent angles )
z + 69 =180
z = 180 - 69 = 111
x + y + z + 125 = 360 ( Angle sum property )
69 + 125 + 111 + x = 360
x = 55
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