Surveying
If the altitudes of a star at its upper and lower transits are 60° 30' and 19° 30' respectively, the latitude of the place, is

45°
30°
35°
60°

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Surveying
Transit rule of adjusting the consecutive coordinates of a traverse is used where

linear measurements are more accurate than angular measurements
linear and angular measurements of the traverse are of equal accuracy
All of these
angular measurements are more accurate than linear measurements

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