1.

Find x,y,z in the given parallelogram

Answer»

angle CBA = 180⁰ - 70⁰ = 110⁰angle CBA = angle ADC = 110⁰(opposite angles of a parallelogram)angle CBA + angle DAB = 180⁰(CO- interior angles)45 + x + 110 = 180⁰x + 45 = 70⁰x = 25⁰angle DAC = angle BCA(alternate interior angles)angle BCA = 45⁰Therefore , x = 25⁰ y = 45⁰ z = 110⁰



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