In the figure, lines m and n are parallel. What is the value of y? a.42 b.48 c.132 d.138
2 answers:
Answer:
Option C 
Step-by-step explanation:
In this problem
If m and n are parallel lines
then
-----> by supplementary angles
solve for m<y

C
the angle under y is 48 and line n adds up to 180
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