SOLUTION: The perimeter of a square is 72 units. What is the length of the diagonal of the square?

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Question 285079: The perimeter of a square is 72 units. What is the length of the diagonal of the square?
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
the perimeter of a square =72
4*L =72
L=18
The diagonal and the sides of the square form a right angle triangle.
18^2 + 18^2 = Diagonal^2
diagonal = sqrt(18^2+18^2)
= 25.45 units