Two rectangles are similar. One has a length of 14 cm and a width of 9 cm, and the other has a width of 3 cm. Find the length of the second rectangle. Round to the nearest tenth if necessary.

A. 5.4 cm

B. 1.9 cm

C. 3.5 cm

D. 4.7 cm

L = 14 cm

W = 9 cm

L' = ?

W' = 3 cm

Since the two rectangles are similar

L/L' = W/W'

14/L' = 9/3

14/L' = 3

3L' = 14

L' = 14/3

L' = 4.7 cm

So length of the second rectangle is 4.7 cm.

ANSWER: D) 4.7 cm

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