Which of the following is a possible length for side AB of triangle ABC if AC = 4 and BC = 9?
I. 5
II. 9 √3
III. 12.5 Choose the correct choice from the following answers:
A) I only
B) II only
C) III only
D) II and III
E) I, II, and III
(9-4) &lt; AB &lt; (9+4)   The answer is III only.
<result>C</result>
Which of the following is a possible length for side AB of triangle ABC if AC = 4 and BC = 9?
I. 5
II. 9 √3
III. 12.5