SOLUTION: the perimeter of a square is 72. Express the length of a diagonal of the square in simplest radical form.

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Question 550961: the perimeter of a square is 72. Express the length of a diagonal of the square in simplest radical form.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
the perimeter of a square is 72. Express the length of a diagonal of the square in simplest radical form.
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Each side is 72/4 = 18
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Use Pythagoras to get:
diag^2 = 18^2 + 18^2
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diag^2 = 2*18^2
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diag = 18*sqrt(2)
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Cheers,
Stan H.