Question

Where is the scale factor from triangle ABC to triangle XYZ

Answer 1

To find the scale factor from triangle ABC to triangle XYZ divide the measures of XYZ into the corresponding measures of ABC:

$\begin{gathered} \frac{39}{13}=3 \\ \\ \frac{15}{5}=3 \end{gathered}$

Then, the scale factor from triangle ABC to triangle XYZ is 3