GMAT Problem Solving Question 25: Pentagons, angles, and geometry

 
The following GMAT Problem Solving question tests your understanding of how to find the measure of an angle in a regular pentagon.

Question 25:

The figure below shows a regular pentagon. What is the measure of angle $ACE$ ?

1. $\quad 18$
2. $\quad 24$
3. $\quad 36$
4. $\quad 40$
5. $\quad 45$