SOLUTION:
We could give a rough sketch for the triangles
From our knowledge of triangles, we can see that;
[tex]\angle Q=30^o[/tex]The similarity ratio of △ABC to △PRQ is;
[tex]\begin{gathered} \frac{20}{14} \\ \\ which\text{ }is\text{ }equal\text{ }to \\ \\ \frac{10}{7} \end{gathered}[/tex]
