Question

If two sides of a triangle are 5.5 cm and 1.7 cm then the length of its third side cannot be

……

A) 4.6 cm B) 3.8 cm C) 5.1 cm D) 4.2 c​

Answer 1

Answer: the length of its third side cannot be more than 5.5+1.7 cm=7.2 cm

and it cannot be less than 5.5--1.7 cm = 3.8cm

so it actually has to be between the two