⇒A D.P B²
⇒A I.P C
[tex] \frac{8 \times 4}{6 {}^{2} } = \frac{ A\times 9}{9 {}^{2} } \\ \frac{32}{36} = \frac{A \times 6}{81} \\ \frac{32}{36} \times 81 = A \times 6 \\ 72 = A \times 6 \\ \frac{72}{6} = A \\ \boxed{12 = A}[/tex]
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☆ RESOLUCIÓN:
⇒A D.P B²
⇒A I.P C
[tex] \frac{8 \times 4}{6 {}^{2} } = \frac{ A\times 9}{9 {}^{2} } \\ \frac{32}{36} = \frac{A \times 6}{81} \\ \frac{32}{36} \times 81 = A \times 6 \\ 72 = A \times 6 \\ \frac{72}{6} = A \\ \boxed{12 = A}[/tex]
☆ RESPUESTA:
[tex] \boxed{A = 12}[/tex]