Solve the problem.If m?y = 111° in the following figure, find the measures of ?w, ?x, and ?z. 
A. m?w = 69°, m?x = m?z = 111°
B. m?w = 111°, m?x = m?z = 69°
C. m?w = -21°, m?x = m?z = 69°
D. m?w = 111°, m?x = m?z = -21°
Answer: B
Mathematics
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A. 
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