Answer:
20 cm
Explanation:
First, find the length of one side of the square. Here A = 25 cm^2 = s^2, where s represents that length. Thus, s = 5 cm.
Next, find the perimeter of the square. P = 2(length) + 2(width). For a square, where length=width, P = 4s.
In this problem, P = 4(5 cm) = 20 cm