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Two triangles are similar. The measure of the shortest side of the first triangle is 12 and the measure of the shortest side of the second triangle is 5. If the longest side of the first triangle measures 15, what is the measure of the longest side of the second triangle?

A.2.4
B. 6.25
C.24
D.36

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5 answers

  1. 6.25

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  2. Corresponding sides of similar triangles are in the same ratio.
    So set up a proportion, let me know what you got.

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  3. correct

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  4. 6.25

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  5. D
    5/12=15/X (cross multiply) ------> 5x=180 (divide both sides by 5) x=36

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