Respuesta :

Use the Pythagorean theorem.
x^2 + 5^2 = 13^2
x^2 + 25 = 169
x^2 = 144
x = 12

Answer:

13.9

Step-by-step explanation:

13 x 13 = 169

5 x 5 = 25

169 + 25 = 194

[tex]\sqrt{194}[/tex] = 13.9

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