Question:
Using square root table, find the square root
$\frac{99}{144}$
Solution:
$\sqrt{\frac{99}{144}}=\frac{\sqrt{3 \times 3 \times 11}}{\sqrt{144}}$
$=\frac{3 \sqrt{11}}{12}$
$=\frac{3 \times 3.3166}{12} \quad$ (using the square root table to find $\sqrt{11}$ )
=0.829