SOLUTION: Find the side of a square with an area of 90 ft^2

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Question 602215: Find the side of a square with an area of 90 ft^2
Found 2 solutions by jim_thompson5910, mananth:
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
A = s^2

90 = s^2

s^2 = 90

s = sqrt(90)

s = 3*sqrt(10)

s = 9.48683298

So the side length is approximately 9.48683298 feet.

Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
let the side of square be l
l*l= l^2= 90
take the square root on both sides
l+=sqrt%2890%29
l=sqrt%282%2A3%2A3%2A5%29
+l=+3sqrt%2810%29