Solution: Angles and Directions

Each solution is broken into discreet steps based on given elements. That makes it easier to see how the data relates and which computations must be performed.

Problem (1)

The direction of line FG is S 47°24'30"W. The angle to the left at G from F to H is 71°50'05". What is the bearing of line GH?

Direction of FG is S 47°24'30"W...
...angle to left at G from F to H is 71°50'05"...
...bearing of line GH:

 

 

Problem (2)

The azimuth of line KL is 125°00'20". The angle to the right at L from K from to M is 38°25'10". What is the azimuth of line LM?

Azimuth of KL is 125°00'20"...
...angle right at L from K to M is 38°25'10"...

(extending KL through L)

...azimuth of LM:

 

 

Problem (3)

The azimuth of line CD is 205°05'30". The angle to the right at C from D to B is 122°18'10". What is the azimuth of line CB?

Azimuth of CD is 205°05'30"...
... angle right at C from D to B is 122°18'10"...
...azimuth of CB:

 

Problem (4)

The bearing of line ST is N 72°38'20"W. The deflection angle at S from T to U is 115°12'45"R. The angle to the left at U from T to V is 67°54'15". What is the bearing of line UV?

Bearing ST is N 72°38'20"W...
..defl angle at S from T to U is 115°12'45"R...

...angle left at U from T to V is 67°54'15"...
...bearing UV:

 

 

Problem (5)

The azimuth from A1 to B3 is 320°51'15". The bearing of line A1 to C4 is S 85°36'35"E. What is the angle to the right at A1 from B3 to C4?

Azimuth A1 to B3 is 320°51'15"...
...bearing A1 to C4 is S 85°36'35"E...
...angle right at A1 from B3 to C4:

 

Problem (6)

The bearing from D5 to T6 is S 36°20'55"W. The bearing from T6 to L7 is N 58°25'40"W. What is the deflection angle at T6 from D5 to L7?

Bearing D5 to T6 is S 36°20'55"W...
...bearing T6 to L7 is N 58°25'40"W...
...defl angle at T6 from D5 to L7: