Mathematics · Surveying
A leveling staff held at a Benchmark of Reduced Level (RL) 140.5 m reads 1.65 m from instrument station X. If the staff reading taken at station A from the same station X is 1.545 m, what is the RL of station A?
- 1140.650 m
- 2140.500 m
- 3141.050 m
- 4140.605 m✓
Correct answer
140.605 m
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