Similar rectangles have the same proportions, so we can set this up as two equal fractions.
9/12 = 8/x
We cross multiply to find x.
12*8 is 96
96 divided by 9 is 10.7 cm
Marissa M.
asked • 11/07/19rectangles 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.
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