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okay so I have to work out this problem for school work and I don't understand it. the problem is : if the perimeter of an isosceles triangle is 2x + 10, what is the length of one of the congruent sides ?

  • math - ,

    well, if sides are both x and the base is 10 then the perimeter is 2 x + 10
    so the sides are x, period, no more can be said.
    If it were equilateral, then every side would be 10

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