Question

Which set of numbers could NOT represent the side lengths of a triangle.

Answer 1

The set of numbers (1, 1, 2) could not be sides of a triangle.

See the Triangle Inequality Theorem --> One side of a triangle is less than the sum of the other two.

Answer 2

the answer choices are


1) 4, 8, 12
2) 18, 28, 40
3) 3, 4, 5
4) 11, 11, 15