SOLUTION: A rectangle has a width of 3.5 inches and a length of x inches. If the diagonal of the rectangle is 12.5 inches, what is the value of x? Give the exact solution or round your answe

Question 969126: A rectangle has a width of 3.5 inches and a length of x inches. If the diagonal of the rectangle is 12.5 inches, what is the value of x? Give the exact solution or round your answer to the nearest tenth
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
A rectangle has a width of 3.5 inches and a length of x inches. If the diagonal of the rectangle is 12.5 inches, what is the value of x? Give the exact solution or round your answer to the nearest tenth
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Draw the picture.
You have a rectangle with width = 3.5 and length = x
The diagonal is the hypotenuse of of the triangle
formed by the width and the length.
Use Pythagoras to solve::
12.5^2 = x^2 + 3.5^2
x^2 = 144
x = 12 inches
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Cheers,
Stan H.
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