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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. 8 cm 12.3 cm 6 cm 10.7 cm

Answer :

altavistard
Use an equation of ratios to solve this:

12 cm             9 cm
----------     =   ---------
    x                 8 cm

Cross multiplying, 9x = 96, and x = 32/3 cm   (10 2/3 cm).

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