Posted by **Sherkyra** on Wednesday, October 27, 2010 at 5:59pm.

What is the approximate length of the diagonal of a square if the perimeter of the square is 12ft?

a. 1.7ft

b. 3.5ft

c. 4.2ft

d. 12.7ft

and how?I was confused on this question I tried to subtract and divide but nothing work.

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