SOLUTION: The diagonal of a rectangle is 13 cm. How long is its width if its length is 10 cm?
Algebra.Com
Question 698507: The diagonal of a rectangle is 13 cm. How long is its width if its length is 10 cm?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
The diagonal of a rectangle is 13 cm. How long
is its width if its length is 10 cm?
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Draw the picture:
You have a right triangle with hypotenuse = 13 and one side is 10
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Equation:
Let the length be "x":
13^2 = 10^2 + x^2
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169 = 100 + x^2
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x^2 = 69
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length = sqrt(69)
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Cheers,
Stan H.
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