Question

Which of the following combinations cannot be the side lengths of a triangle?

4.8 inches, 5 inches, and 1.2 inches
6.7 inches, 1.1 inches, and 7.9 inches
2.5 inches, 2.5 inches, and 2.5 inches
2.3 inches, 3.4 inches, and 3.2 inches

Answer 1

B. 6.7 inches, 1.1 inches, and 7.9 inches

Explanation:

Answer 2

The sum of the two short legs must be at least as long as the longest leg.

This requirement for a triangle is NOT met by the 2nd selection. Those lengths cannot be a triangle.