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If a || b, m<2=63°, and m<9=105°, find the missing measure of m<5=?

If a || b, m<2=63°, and m<9=105°, find the missing measure of m<5=?-example-1

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Looking at the image, we can see that m∠2 and m∠5 are vertical angles.

Since m∠2 and m∠5 are vertical angles, they are congruent, so we have:


\begin{gathered} m\angle5=m\angle2 \\ m\angle5=63\degree \end{gathered}

So the measure of angle ∠5 is 63°.

User Shivika
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