Sagot :
Answer:
line of sight. angle of elevation. angle of depression
xz. <wxy. <zxw
xy
Step-by-step explanation:
sAna makatulong :)
Answer:
Line of sight: A straight line joining the object and the observers eye.
Angle of elevation: Angle (above the horizontal)
between the line of sight and the horizontal.
Angle of depression: Angle (below the horizontal)
between the line of sight and the horizontal.