In LMN, LM = |x-7|, MN = |x-4| and NL = x + 1, where x is a number wh

In LMN, LM = |x – 7|, MN = |x – 4| and NL = x + 1, where x is a number whose value is not known. Is LMN an acute triangle (a triangle each of whose angles measures less than 90)? (1) NM = 10 (2) LM = 7 Are You Up For the Challenge: 700 Level (…)