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Which of the side lengths will not form a triangle? (3, 4, 5), (6, 6, 6), (3, 5, 9), ( 35, 42, 56)

User Estevan
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1 Answer

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The third set is not a triangle.
3+5 = 8 which is not greater than 9. Any two sides added together must be larger than the third side.
User Raksja
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