If m<10=77, m<7=47 and m<16=139, find the measure of the missing angle m<14=?

asked Feb 10, 2023 206k views

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According to the diagram, angles 10 and 14 are supplementary, so they sum 180°.

$\begin{gathered} m\angle10+m\angle14=180 \\ 77+m\angle14=180 \\ m\angle14=180-77 \\ m\angle14=103 \end{gathered}$

Vandal answered Feb 14, 2023

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