Use the properties of parallel lines to solve the problem.Line m is parallel to line n. If m?6 = 112°, find the measure of each angle.
A. ?2, ?4, ?8 all measure 112°; ?1, ?3, ?5, ?7 all measure 22°
B. ?2, ?4, ?8 all measure 112°; ?1, ?3, ?5, ?7 all measure 68°
C. ?2, ?4, ?8 all measure 112°; ?1, ?3, ?5, ?7 all measure 78°
D. ?5, ?7, ?8 all measure 112°; ?1, ?2, ?3, ?4 all measure 68°
Answer: B
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