Question

if two sides of a triangle are 5 cm and 1.5 cm, the lenght of its third side cannt be ?

Answer 1

sum of two sides is greater than the third side.
so 1.5 + third side> 5cm
third side > 5cm-1.5cm
third side > 3.5
so the length of the third side cannot be less than 3.5cm