Respuesta :

dknance

Answer:

3

Step-by-step explanation:

area = side length times side length

therefore x * x = 9

therefore x^2 equals 9

square root both and x = 3.

IrisJung

Answer:

3

Step-by-step explanation:

A's area=9

Formula A=a squared

what times what is 9?

The answer is 3