Surveying
The nearest star is so far away from the earth that the directions to it from two diametrically opposite points on the earth differs less than

None of these
0.0001 second
0.001 second
0.01 second

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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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