Question

Which set of side lengths will form a triangle? All lengths are given in meters.(1 point)
Responses

26, 12, 12
26, 12, 12

50, 60, 26
50, 60, 26

50, 30, 80
50, 30, 80

60, 26, 33

Answers

Answered by GPT-4o mini
To determine if a set of side lengths can form a triangle, we can use the triangle inequality theorem. This theorem states that for any triangle with sides of lengths \( a \), \( b \), and \( c \):

1. \( a + b > c \)
2. \( a + c > b \)
3. \( b + c > a \)

We will evaluate each set of side lengths against these conditions.

1. **For 26, 12, 12:**
- \( 26 + 12 > 12 \) (True)
- \( 26 + 12 > 12 \) (True)
- \( 12 + 12 > 26 \) (False)

This set does **not** form a triangle.

2. **For 50, 60, 26:**
- \( 50 + 60 > 26 \) (True)
- \( 50 + 26 > 60 \) (True)
- \( 60 + 26 > 50 \) (True)

This set **forms** a triangle.

3. **For 50, 30, 80:**
- \( 50 + 30 > 80 \) (False)

This set does **not** form a triangle.

4. **For 60, 26, 33:**
- \( 60 + 26 > 33 \) (True)
- \( 60 + 33 > 26 \) (True)
- \( 26 + 33 > 60 \) (False)

This set does **not** form a triangle.

**Conclusion:** The only set of side lengths that will form a triangle is **50, 60, 26**.
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