In compass surveying
A. the direction and lengths of survey is measured by compass.
B. the direction is measured by compass.
C. the lengths of survey line is measured by chain or tape
1
Only A
2
Only B
3
Only C
4
Both B and C
In compass surveying
A. the direction and lengths of survey is measured by compass.
B. the direction is measured by compass.
C. the lengths of survey line is measured by chain or tape