remember the exponential law\(\sqrt{ \frac{x}{y} } = \frac{ \sqrt{x} }{ \sqrt{y} }\) so
\(\sqrt{ \frac{169}{36} } = \frac{ \sqrt{169} }{ \sqrt{36} }\)
solvve the square root of 169
the number is 13
square root 36
the number is 6
we are left with
13/6