Question

find x and y if ab||cd||ef​

Answer 1

Answer:

x-20= 65° ( ab||cd alternate angle)

x-20 = 65-20 = 45

x+y = 180 ( co interior angles )

180-45 = y = 135 ..

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Answer 2

Answer:

angle X = 46° and angle Y = 134°.

Step-by-step explanation:

66°=X+20°.........(alternate angles)

X=66-20=46.......(i)

angle X + angle Y=180°........(corresponding angles)

46+ angle Y=180°..........(from i )

angle Y = 180-46

angle Y = 134°.

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