What is the angle of depression from the top of a cliff to the bottom of a lake, if the height of the cliff is 50 meters and the horizontal distance from the top of the cliff to the edge of the lake is 100 meters?
A. 30°
B. 45°
C. 60°
D. 75°
A. 30°
B. 45°
C. 60°
D. 75°