Answer:
7 inches
Explanation:
The area of a square is given by the formula ...
A = s² . . . . . s = side length
Using the given area, you have ...
49 in² = s² . . . . . fill in given value of area
7 in = s . . . . . . . take the positive square root of both sides
The length of a side of the square is 7 inches.