Respuesta :

Answer:

Number 9 is 8, 8 is the length of each side

Step-by-step explanation:

8 x 8 = 64

And it s a square so all sides are equal

Answer: 8 feet long

Step-by-step explanation:

this is because a square has 4 sides that are all the same length

and the formula for area of a square is A = base x height

since you are given the height you would take the sqrt of 64 and get 8

8 x 8 = 64

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