# SOLUTION: A rectangle is 10 inches long and 8 inches wide, what is the length of the diangonal?

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 Click here to see ALL problems on Rectangles Question 213859: A rectangle is 10 inches long and 8 inches wide, what is the length of the diangonal?Answer by drj(1380)   (Show Source): You can put this solution on YOUR website!A rectangle is 10 inches long and 8 inches wide, what is the length of the diagonal? Step 1. Use the Pythagorean Theorem where the sum of the squares of the legs (length and width) is equal to the square of the hypotenuse (diagonal). Step 2. Let d be the diagonal, then ANSWER I hope the above steps were helpful. For free Step-By-Step Videos on Introduction to Algebra, please visit http://www.FreedomUniversity.TV/courses/IntroAlgebra or for Trigonometry visit http://www.FreedomUniversity.TV/courses/Trigonometry. And good luck in your studies! Respectfully, Dr J