Dino used three pieces of string to make a model of a triangle in art class. The lengths of two of the pieces of string were 3 inches and 8 inches. Which could be the length in inches of the third piece of string Dino used?

A)2
B)8
C)5
D)3
I think D?

2 answers

Use this:

(8-3) < x < (8+3)

"x" as the third piece.

Check your answer again.
It must be longer than 5 which is 8-3
It must be shorter than 11 which is 8+3