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1255613. ABCD is a parallelogram, Find , y and z

Answer»

angle A =angle Chence56+y=125y=125-56=69°now sum of angle C and angle D is 180henceX+69=180X=111°nowAEDC. is a quadrilateralhence 125+X+y+z=360125+111+69+z=360z=55

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