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In the figure below, if line r is parallel to line s, m
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In the figure below, if line r is parallel to line s, m

In the figure below, if line r is parallel to line s, m-example-1
User Pravin Poudel
by
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1 Answer

9 votes

Answer:
26^(\circ)

Explanation:

By the alternate exterior angles theorem,


3x+5=5x-9\\\\5=2x-9\\\\2x=14\\\\x=7

This means that
m\angle B=5(7)-9=\boxed{26^(\circ)}

User Admccurdy
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