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kenz16
Is there not a picture that goes with this question?
m∠1 and m∠4 are equal because they are vertical.
m
∠4 and m∠ 8 are equal because they are corresponding.
m
∠8 and m∠12 are equal because they are corresponding.
m
∠12 and m∠11 are supplementary, so the m∠11 must be equal to 128 degrees.