Surveying
The necessary geometrical condition for triangulation adjustment is:

All listed here
The sum of the angles around a station should be 360°
The sum of the eight angles of a braced quadrilateral should be 360°
The sum of the three angles of a plane triangle should be 180°

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Surveying
Which of the following methods of theodolite traversing is suitable for locating the details which are far away from transit stations?

Measuring angle and distance from one transit station
Measuring angle at one station and distance from other
Measuring distance from two points on traverse line
Measuring angles to the point from at least two stations

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