a window has an area of 64 square feet. it is a perfect square. what is the length of one side?

Question

i dont know. its easy i just need the answer for extra credit.

Answer 1

1*1=1

2*2=4

3*3=9

4*4=16

5*5=25

6*6=36

7*7=49

8*8=64 (8 feet is the answer)

A=s^2

64=s^2

s=√64

s=8 feet