SOLUTION: Sarah id building a square back porch for her mother. The area of the porch is to be 400 square feet. What is the length of one side?

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Question 988749: Sarah id building a square back porch for her mother. The area of the porch is to be 400 square feet. What is the length of one side?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
The area of a square is
A=s%5E2=400
s=20ft