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If AB // CD , find the value of x and y

Answer» FIRST of all find the value of the unknown angle that is ADJACENT to 123 DEGREE by LINEAR pair method that is 180 - 123 then you will have two angles the one is 58 degree and the second one is the angle BESIDE 123 degree that you will solve by subtracting 123 degree from 180 degree the third angle you can find by the angle sum property


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