Geometry math question

Question

two sides of a triangle have lengths 5 and 8. Which of the following can Not be the length of the third side.

A)6

B)3

C)5

D)4

Answer 1

The third side cannot equal 3 because the sum of any two sides has to be greater than the third side.

3 + 5 = 8, which is not greater than 8.