Question

Which collection of three side lengths can be used to form a triangle?

3 ft, 6 ft, 10 Ft
3 ft, 6 ft, 9 Ft
4 ft, 9 ft, 6 Ft
10 ft, 5 ft, 4 Ft

Answer 1

4ft, 9ft, 6ft because every sum of a combination of 2 sides has to be greater than the length of the third side.