CAT 2014 | Question: 1

Question

If $\text{ABCD}$ is a square and $\text{BCE}$ is an equilateral triangle, what is the measure of angle $\angle \text{DEC}?$ 

1. $15^{\circ}$
2. $30^{\circ}$
3. $20^{\circ}$
4. $45^{\circ}$