SOLUTION: Find the length of a rectangle that has a diagonal of 25 feet and a width of 15 feet.

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Question 410901: Find the length of a rectangle that has a diagonal of 25 feet and a width of 15 feet.
Answer by unlockmath(1688) About Me  (Show Source):
You can put this solution on YOUR website!
Hello,
For this one we'll need to use the Pythagorean formula.
15^2+x^2=25^2
Expand this out to:
225+x^2=625
Subtract 225
x^2=400
Square root both sides to get:
x=+-20
The only sensible answer for the length is 20 feet.
Make Sense?
RJ
www.math-unlock.com