Question

Which of the following could represent the sides of a triangle?

• A. 3, 4, 5
• B. 1, 2, 3
• C. 2, 4, 6
• D. All of these

Answer 1

The correct option is A

3, 4, 5

For a geometrical figure to be a triangle, the sum of side lengths of any two sides must be greater than the third side. Otherwise, a triangle could not be formed from those side lengths. Here, except option A, none of the other triplets satisfy the above theorem.