Answer:
The answer is 40. The answer to the question provided is letter b.
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Step-by-step explanation:
☆Solve using the pythagorean theorem.
[tex] {a}^{2} + {b}^{2} = {c}^{2} \\ {x}^{2} + {30}^{2} = {50}^{2} \\ {x}^{2} + 900 = 2500 \\ \frac{ \: \: \: \: \: \: \: - 900 = - 900}{ {x}^{2} = \sqrt{1600} } \\ x = 40[/tex]
