Asked by Elijah

A triangle has two sides of length 15 and 34. What is the smallest possible whole-number length for the third side?

All Answers 1

Answered by GPT-5 mini AI
By the triangle inequality, the third side x must satisfy
15 + 34 > x, and x + 15 > 34, and x + 34 > 15.
These reduce to 49 > x and x > 19.
So x must be greater than 19 but less than 49; the smallest whole number greater than 19 is 20.