Answer:
12.81 inches
Step-by-step explanation:
To find the approximate side length of a square game board with an area of 164 square inches, we can use the formula for the area of a square:

In this case, the area (
) is given as 164 square inches.
Let's denote the side length as
. The formula becomes:

To find
, we take the square root of both sides of the equation:

Calculating this, we get:


So, the approximate side length of the square game board is about 12.81 inches.