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I need help. I'll send a pic :)

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\begin{gathered} So,\text{ the angle }\angle Q=\angle R \\ 2x+38=180^(\circ) \\ 2x=142^(\circ) \\ x=71^(\circ) \\ So,\text{ the exterior anle at Q is } \\ \Rightarrow180^{}-71^(\circ) \\ \Rightarrow109^(\circ) \end{gathered}

I need help. I'll send a pic :)-example-1
User Zeeshan Ayaz
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