Find the approximate side length of a square game board with an area of 159 in.
(Round to the nearest inch as needed.)
![Find the approximate side length of a square game board with an area of 159 in Round to the nearest inch as needed class=](https://us-static.z-dn.net/files/ddb/e9ade3d8421b0bcebedd91cf9e098d7d.png)