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What are the measures of the other angles formed by the intersection

What are the measures of the other angles formed by the intersection-example-1
User Prensen
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Given the figure in the attached image.


\begin{gathered} m\angle1=m\angle3 \\ m\angle2=50^(\circ) \end{gathered}

Reason: vertically opposite angles are equal.

Also;


50^(\circ)+m\angle1=180^(\circ)

Reason: supplementary angles.

solving for angle 1;


undefined

User George Brighton
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