SOLUTION: find the diagonal of a square with perimeter 28 meters

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Question 257384: find the diagonal of a square with perimeter 28 meters
Answer by palanisamy(496) About Me  (Show Source):
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Let the side of the given square be a.
Then its perimeter is 4a = 28
a = 28/4
a = 7
The length of one diagonal = 7*sqrt2