Asked by Elijah

A triangle has two sides of length 5 and 20. 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 c must satisfy |20−5| < c < 20+5, so 15 < c < 25. The smallest whole-number greater than 15 is 16.