Answer: its 62
Step-by-step explanation:
Isolate the radical, then raise each side of the equation to the power of its index.
For a square, the area is the square of the side length (length x width = area, but in a square length = width). That means the side length is the square root of the area.
In this case the side length is the square root of 121, which is 11. Answer is C.
