zenith angle is 82degree 32mint 20sec. slope distance is 8335.26ft. Height of instrument and rod recording r are equal. elevation of point A is 1431.31 ft. Find elevation of point B. observation is recorded on a total station between 2 points A and B.
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A backsight of 3.055m taken on a point 75m from a level station and a foresight of 1.258m from the same station. determine the difference in elevation between the two points , taking into account the effect
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