## Trigonometry (10th Edition)

Since the length of $DC$ is $DB + BC$, we can see that the length of $DC$ is $2+\sqrt{3}$
The length of $DB$ is 2 The length of $BC$ is $\sqrt{3}$ Since the length of $DC$ is $DB + BC$, we can see that the length of $DC$ is $2+\sqrt{3}$