SOLUTION: A sign is to be made with an area of 18 square feet if the sign is square what is the length of a side

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Question 862892: A sign is to be made with an area of 18 square feet if the sign is square what is the length of a side
Answer by ben720(159) About Me  (Show Source):
You can put this solution on YOUR website!
The area of a square is the length of one side squared.
A=s%5E2
Substitute 18 for the area
18=s%5E2
Take the square root of both sides
sqrt%2818%29=s
sqrt%289%2A2%29=s
sqrt%289%29%2Asqrt%282%29=s
3sqrt%282%29=s, or about 4.24 feet.