SOLUTION: In the figure above, side AC of triangle ABC lies on line l. What is the value of y? a. 22 b. 24 c. 25 d. 30 Link to image http://152.46.13.240/MoodleContent/SATprep/Mat

Question 983225: In the figure above, side AC of triangle ABC lies on line l. What is the value of y?
a. 22
b. 24
c. 25
d. 30
Link to image
http://152.46.13.240/MoodleContent/SATprep/Math%20Unit%207/Lesson%203%20Notes%20Quiz/cb1.png
Answer by MathLover1(20855) (Show Source): You can put this solution on YOUR website!

as you can see, � is an external angle of triangle
we know that �
since angle is �, and angle and , we have
�
�
�
�
so, angle � and �

then
�
�
�
�
so, your answer is: a.

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