Question

Plese do fast and fully explain​

Answer 1

Answer:

l and M are parallel lines ( given)

and a transversal intersects it

thus 60+ z = 180 ( same side of transversal)

z = 180 - 60 = 120

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Answer 2

Answer:

120

because by alternate angle 60 +z=180(linearpair)then z= 120