SOLUTION: What is the area of a rectangle with a diagonal of 5 inches?

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Question 111103: What is the area of a rectangle with a diagonal of 5 inches?
Answer by Nate(3500) About Me  (Show Source):
You can put this solution on YOUR website!
The square is x by x inches.
x^2 + x^2 = 25
2x^2 = 25
x^2 = 12.5
x = sqrt(12.5)
~~~~
Area = x^2 = 12.5 in^2