Help!In the figure below, triangle ABC is an equilateral triangle, and quadrilateral DEFB is a square.
What is mABD?
A. 45°
B. 30°
C. 50°
D. 20°
the figure is below
![HelpIn the figure below triangle ABC is an equilateral triangle and quadrilateral DEFB is a square What is mABD A 45 B 30 C 50 D 20 the figure is below class=](https://us-static.z-dn.net/files/d89/e05837d4bf3339f963ffb95479693908.png)