Mathematics · Surveying
The direct and reversed zenith angles observed by a theodolite to a target are 56° 00' 00" and 303° 00' 00", respectively. What is the vertical collimation correction?
- 1+0° 30' 00"✓
- 2-0° 30' 00"
- 3-1° 00' 00"
- 4+1° 00' 00"
Correct answer
+0° 30' 00"
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