SOLUTION: The perimeter if a square is 72 inches. Find the measure of the diagonal

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Question 286282: The perimeter if a square is 72 inches. Find the measure of the diagonal
Found 2 solutions by richwmiller, rfer:
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
What is the formula for the perimeter of a square? 4s=72
s=18
What is the formula for the diagonal of a square?
2*18^2=d^2

Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
72/4=18
18^2+18^2=c^2
324+324=648
c=25.5 in