SOLUTION: Ray planted a square garden that covers an area of 200 square feet. How many feet of fencing does he need to surround the garden?

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Question 553610: Ray planted a square garden that covers an area of 200 square feet. How many feet of fencing does he need to surround the garden?
Answer by TutorDelphia(193) About Me  (Show Source):
You can put this solution on YOUR website!
The formula for area of a square is A=s%5E2 (area equals side squared)
so in this case we have 200=s%5E2 so s=sqrt%28200%29=sqrt%28100%29%2Asqrt%282%29=10%2Asqrt%282%29
Now that we know the side, it is easy to find the perimeter. Just multiply the side by 4 so we get 40%2Asqrt%282%29