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math

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the lengths of the sides of four triangles are listed as follows. which two triangles are similar? explain.

a~ 5 cm, 6 cm, 8 cm
b~ 6 cm, 7 cm, 8 cm
c~ 8 cm, 10 cm, 12 cm
d~ 12 cm, 15 cm, 18 cm

  • math - ,

    any ration can be reduced by dividing out a common factor .
    so ...

    c) 8:10:12 = 4:5:6
    d) 12:15:18 = 4:5:6

    So, what do you think?

  • math - ,

    thank you!

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