Question
Find the elevation of ground beneath the reflector, if the known elevation of instrument is 12.76m, slope distance = 3.76m, angle is about 3˚43ꞌ, instrument height = 2.93m, ground is at 0.987 m.
Answer: Option C
Answer: (c).18.45m
Was this answer helpful ?
Answer: (c).18.45m
Was this answer helpful ?
Submit Solution