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posted by on .

If the perimeter of a triangle is 12, which of the following could be the length of one side of the triangle?
a. 8
b. 7
c. 6
d. 5

Would the correct answer be d. 5?

And how do you go about answering this type of question? I just guessed; I figured it was the smallest number.. and 8 was too long to be a side.

  • Geometry - ,

    You did it correctly. you look at the other two sides, they have to be greater than the side given. If a is a side, then b+c must be greater than a.

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