HEIGHT AND DISTANCE math capsule
HEIGHT AND DISTANCE - Sometimes , we need to find the height of tower , building , tree , distance of a ship from light house, width of river and angle subtended by any object at a given point, etc. We cannot measure them accurately , though we can find them using the concepts of , (1) Angle of elevation (2) Angle of depression ANGLE OF ELEVATION - Angle of elevation is defined as an angle subtended by an eye with the horizontal axis to see an object in the upward direction.