SOLUTION: the diagonal of a rectangle measures 62.2 millimeters. the length is five times as long as the width. what is the width of the rectangle?

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Question 366495: the diagonal of a rectangle measures 62.2 millimeters. the length is five times as long as the width. what is the width of the rectangle?
Answer by nyc_function(2741) About Me  (Show Source):
You can put this solution on YOUR website!
Here is your equation:

(5x)^2 + x^2 = (62.2)^2


Can you take it from here?