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14. two rectangles are similar. one has a length of 12 cm and a width o…

Question

  1. two rectangles are similar. one has a length of 12 cm and a width of 9 cm, and the other has a width of 8 cm. find the length of the second rectangle. round to the nearest tenth if necessary

Explanation:

Step1: Establecer la proporción

Para rectángulos similares, la proporción de longitudes y anchos es igual. Sea \( l \) la longitud del segundo rectángulo. Entonces \( \frac{l}{12}=\frac{8}{9} \).

Step2: Resolver para \( l \)

Multiplicar ambos lados por 12: \( l = 12\times\frac{8}{9}=\frac{96}{9}\approx10.7 \).

Answer:

10.7 cm