Question

Final8. Find the measure of the angle indicated in bold.

Answer 1

Those are supplementary angles, hence:

$\begin{gathered} (12x+8)+(15x+10)=180 \\ 27x+18=180 \\ 27x=180-18 \\ x=\frac{162}{27} \\ x=6 \\ \text{Therefore:} \\ 15x+10=15(6)+10=90+10=100 \\ \end{gathered}$

11.