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The long leg of a right triangle is 49 ft longer than the short leg. The hypotenuse is 61 feet long. How long are the legs of the right triangle?

User Sablefoste
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1 Answer

5 votes

Using pythagorean theorem:


c^2=a^2+b^2

Solve for b:


\begin{gathered} c^2=(49b)^2+b^2 \\ c^2=2401b^2+b^2 \\ 3721=2402b^2 \\ b^2=(3721)/(2402) \\ b=\sqrt[]{(3721)/(2402)} \\ b\approx1.2446 \end{gathered}

Therefore:


\begin{gathered} a=49(1.2446) \\ a\approx60.9873 \end{gathered}

The long leg of a right triangle is 49 ft longer than the short leg. The hypotenuse-example-1
User Kibar
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