Difference between revisions of "2011 AMC 10B Problems/Problem 14"
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Revision as of 20:50, 25 May 2011
Problem 14
A rectangular parking lot has a diagonal of meters and an area of square meters. In meters, what is the perimeter of the parking lot?
Solution
Let the sides of the rectangular parking lot be and . Then and . Add the two equations together, then factor. The perimeter of a rectangle is