Geometry

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The lengths of the sides of a triangle are 3,5, and 7 inches. How many inches long is the shortest side of a similar triangle that has a perimeter of 75 inches?
F.10
G.12
H.14
H.15
k.22

  • Geometry -

    given triangle has perimeter 3+5+7 = 15
    75 is 5*15, so all the sides have to be scaled up by 5. The smallest would thus be 5*3 = 15

    (I)

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