What is the measure of an interior vertex angle of a pentagon?
(1) The measure of each adjacent exterior angle is 72.
(2) The pentagon is a regular polygon.
A. Statement (1), BY ITSELF, will suffice to solve the problem, but NOT statement (2) by itself.
B. Statement (2), BY ITSELF, will suffice to solve the problem, but NOT statement (1) by itself.
C. The problem can be solved using statement (1) and statement (2) TOGETHER, but not ONLY statement (1) or statement (2).
D. The problem can be solved using EITHER statement (1) only or statement (2) only.
E. The problem CANNOT be solved using statement (1) and statement (2) TOGETHER.