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geometry

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A triangle has side lengths of 3in, 4in, and 6in. The longest side of a similar triangle is 15 in. What is the length of the shortest side of the similar triangle?

  • geometry - ,

    The ratio of the sides of the 1st triangle is,
    3 : 4 : 6

    The second triangle is
    x : x : 15

    6 : 15 = 3 : x
    6/15 = 3/x
    cross multiply
    6x = 45
    x = 7.5

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