Answer:
This means that the length of the sides rounded to the nearest whole number is 17.
Explanation:
A square is defined by the fact that all sides are equal.
Area is defined by the product of length times width.
In this case, we need to figure out what number, when multiplied by itself, is equal to 290. To do this, we will use a square root.

This means that the length of the sides rounded to the nearest whole number is 17.