Respuesta :

Hrishii

Answer:

[tex]a = 5 \frac{1}{3} \: units[/tex]

Step-by-step explanation:

By geometric mean theorem:

[tex] {4}^{2} = 3 \times a \\ \\ \implies \: 16 = 3a \\ \\ \implies \: a = \frac{16}{3} \\ \\ \implies \: a = 5 \frac{1}{3} [/tex]

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