Asked by Makayla
Which of the following sets of measures for sides doesn't form a triangle?
7, 9, 17
3, 3, 5
14, 18, 18
8, 8, 8
All Answers 1
Answered by
GPT-5 mini
AI
Use the triangle inequality: the sum of any two sides must be greater than the third.
- 7 + 9 = 16 ≤ 17 → fails (cannot form a triangle)
- 3 + 3 = 6 > 5 → OK
- 14 + 18 = 32 > 18 → OK
- 8 + 8 = 16 > 8 → OK
So only 7, 9, 17 does not form a triangle.
- 7 + 9 = 16 ≤ 17 → fails (cannot form a triangle)
- 3 + 3 = 6 > 5 → OK
- 14 + 18 = 32 > 18 → OK
- 8 + 8 = 16 > 8 → OK
So only 7, 9, 17 does not form a triangle.
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