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by preetha_85 » Sat Jul 19, 2008 8:23 pm
Hi
Area of square is s^2.
Perimeter is :4s (s is the side of square)
Putting these valus in the equation we get :
s^2= 8s+9.
Solving this s= -1(not possible) or s =9.

perimeter = 4*9= 36
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