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Determine which set of numbers can be the lengths of the sides of a triangle.
a. 13, 10, 16
b. 1, 2, 3
c. 5.2, 11, 4.9
d. 208, 9, 219

I believe the answer is a. 13, 10, 16. Is this right?

  • Geometry -

    The sum of the two shortest sides must exceed the length of the long side, AND
    The difference between the lengths of the shortest sides must be less than the length of the longest side.

    Yes, only choice a can be a triangle

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