algebra

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the sides of a triangle are in the ratio 3:4:5.what is the length of each side if the perimeter of the triangle is 78cm?

  • algebra -

    3x+4x+5x = 78

    12x =78

    x = 6.5

    3*6.5 = ?

    4*6.5 = ?

    5*6.5 = ?

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