SOLUTION: How long is the diagonal of a rectangle with a length of 5 feet and a width of 4 feet

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Question 314626: How long is the diagonal of a rectangle with a length of 5 feet and a width of 4 feet
Answer by rapaljer(4671) About Me  (Show Source):
You can put this solution on YOUR website!
The diagonal is the hypotenuse of a right triangle.

5%5E2+%2B+4%5E2=d%5E2
25+%2B+16=+d%5E2
d%5E2=41
d=sqrt%2841%29 or d=-sqrt%2841%29

Reject the second solution because the hypotenuse cannot be negative.

Final answer =sqrt%2841%29.

Dr. Robert J. Rapalje