Answer:
m<3=138
Explanation:
m<2=42
m<1=m<3
180-42=138
m<1=138 m<3=138
m<1 and m<3 are alternate interior angles
132 degree
a and b are parallel and c is a transversal
so 2 and 3 are interior and they both equal 180
so 3 = 180-48= 132
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