Answer :
Formula for Area of a Square:
A = a^2
Plug in what we know:
121 = a^2
To solve for 'a', we have to find the square root of both sides:
a = 11
A = a^2
Plug in what we know:
121 = a^2
To solve for 'a', we have to find the square root of both sides:
a = 11