Computer · Surveying
Why is the measurement of angles or bearings necessary in angular surveying methods?
- 1To directly calculate linear ground distances without chains
- 2To determine the relative direction of survey lines with respect to a meridian✓
- 3To compute vertical elevations above mean sea level
- 4To exclusively find the contour gradient of sloping land
Correct answer
To determine the relative direction of survey lines with respect to a meridian
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