Respuesta :

Answer:

x = 11.1

Explanations:

Note that the Pythagora's theorem is applied in solving this exercise

The Pythagora's theorem states that "the square of the hypotenuse equals the sum of the squares of the other two sides"

Hypotenuse is the longest side of the right-angled triangle:

Hypotenuse = 22

[tex]\begin{gathered} 22^2=19^2+x^2 \\ 484\text{ = }361+x^2 \\ x^2\text{ = 484 - 361} \\ x^2\text{ = }123 \\ x\text{ = }\sqrt[]{123} \\ x\text{ = }11.1 \end{gathered}[/tex]

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