7-real-numbers-are-given-in-the-interval-1-13-Prove-that-atleast-3-of-them-are-the-lengths-of-a-triangle-s-sides-

Question Number 14810 by Tinkutara last updated on 04/Jun/17

7 real numbers are given in the interval

(1, 13) . Prove that atleast 3 of them

are the lengths of a {triangle}^{'} s sides .