Respuesta :

Answer:

X = 5.4

Step by step explanation:

In this case, we can use the Pythagorean theorem.

[tex]c^2=a^2+b^2[/tex][tex]9^2=7.2^2+x^2[/tex][tex]x\text{ = }\sqrt[]{9^2-7.2^2}\text{ }[/tex][tex]x\text{ = 5.4}[/tex]

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