[填空题]
Daniela (D) stands near the window on the second sq+.jc z0nx (ofloor of the six-kp ;2 -czeybgwc o7w3*- cggb9story apartment building and can see Andrea (A), wcwgk 97o;e gcb3- 2cwzg-yb*p ho is 14 m from the base of the building. The angle of depression from Daniela to Andrea is $20^{\circ}$.
1.Calculate the distance from Daniela to Andrea, AD. m
Clara (C) is standing at the window of the sixth floor, three times higher from the ground than Daniela.
2.Calculate the angle of depression from C to A. $^{\circ}$
