Respuesta :

Step-by-step explanation:

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Ver imagen aniilsah555

Step-by-step explanation:

[tex]volume = lwh \\l = 12 \\ w = 6 \\ then \: \\ 216 = 12 \times 6 \times h \\ h = \frac{216}{12 \times 6} \\ h = 3cm \\ thank \: you[/tex]