Respuesta :
The lengths of the sides of similar rectangles are proportional:
[tex]\frac{l_1}{w_1}=\frac{l_2}{w_2} \\ \\ \frac{12}{9}=\frac{x}{8} \\ \\ \frac{12}{9} \times 8 = x \\ \\ \frac{96}{9}= x \\ \\ x \approx 10.7[/tex]
The length of the second rectangle is approximately 10.7 cm.
[tex]\frac{l_1}{w_1}=\frac{l_2}{w_2} \\ \\ \frac{12}{9}=\frac{x}{8} \\ \\ \frac{12}{9} \times 8 = x \\ \\ \frac{96}{9}= x \\ \\ x \approx 10.7[/tex]
The length of the second rectangle is approximately 10.7 cm.