For two similar triangles, the ratio of their areas is equal to the square of the ratio of their corresponding sides.
Let the areas of the two similar triangles be $A_1$ and $A_2$, and let their corresponding sides be $s_1$ and $s_2$. The relationship is given by the formula:
$ \frac{A_1}{A_2} = \left(\frac{s_1}{s_2}\right)^2 $
Given areas are $A_1 = 16\text{ m}^2$ and $A_2 = 36\text{ m}^2$. Substitute these values into the formula:
$ \frac{16\text{ m}^2}{36\text{ m}^2} = \left(\frac{s_1}{s_2}\right)^2 $
Simplify the ratio of the areas:
$ \frac{16}{36} = \frac{4 \times 4}{9 \times 4} = \frac{4}{9} $
So, we have:
$ \left(\frac{s_1}{s_2}\right)^2 = \frac{4}{9} $
To find the ratio of the corresponding sides ($s_1 : s_2$), take the square root of both sides:
$ \frac{s_1}{s_2} = \sqrt{\frac{4}{9}} = \frac{\sqrt{4}}{\sqrt{9}} = \frac{2}{3} $
The ratio of the corresponding sides is $2:3$. Comparing this ratio to the given options, option C ($4:6$) simplifies to $2:3$.
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