21: Describe the range of possible values of x in ABC. 12 + $ - 1F (2 - 5) IY > x > +
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It seems like there are some typos in the question. I will assume that the problem is asking for the range of possible values of x in a triangle ABC with side lengths 12, x, and x+5. In any triangle, the sum of the lengths of any two sides must be greater than Show more…
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