Following are the observations made on a closed traverse.
|
Line |
Fore Bearing |
Back Bearing |
|
AB |
10° 20' |
190° 20' |
|
BC |
155° 30' |
336° 30' |
|
CA |
290° |
112° |
The total error is ___________.
1
− 1° 0’
2
+ 1° 0’
3
+ 3° 0’
4
− 3° 0’