Question

find the length of the third side. if necessary, round to the nearest tenth.
answer attempt 1 out of 2
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Explanation:

Step1: Apply Pythagorean theorem

Let the third side be \(x\). According to the Pythagorean theorem \(a^{2}+b^{2}=c^{2}\), where \(c = 18\) (hypotenuse) and \(a = 12\). So \(x^{2}+12^{2}=18^{2}\).

Step2: Solve for \(x\)

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Answer:

\(13.4\)