Which set of numbers can represent the lengths of the sides of a triangle? A. {1,2,3} B. {3,5,7} C. {3,9,14} D. {4,4,8}

Mathematics · College · Tue Nov 03 2020

Answered on

Here, option (B) is correct because sum of two sides of a triangle must be greater than it's third side. And, among given options only {3,5,7} satisfy this condition. 

3+5 > 7

8 > 7