Which of the following represents the sides of a triangle?

3, 4 and 7

3, 4 and 8

3, 4 and 5

None of these

3, 4, and 5

Since all three conditions of the Triangle Inequality Theorem are satisfied:

3 + 4 = 7 > 5

3 + 5 = 8 > 4

4 + 5 = 9 > 3