In a hydrographic survey three stations ABC were established. Stations A and B are on the shoreline and station C is on the sea marked by a buoy. The latitude and departure of the lines are computed as follows: Line Latitude (m) Departure (m) + 159.40 - 326.16 АВ +136.95 BC +153.82 СА +166.75 - 290.77 24. Determine the bearing of line AB a) N 50o30' E b) N 40°40' E c) S 34°45' E 25. Determine the bearing of line BC a) S 25°15 E b) S 45°23' E c) N 23°34' W 26. Determine the bearing of CA a) N 56°23' W b) N 45°12' E c) N 60°10' W
In a hydrographic survey three stations ABC were established. Stations A and B are on the shoreline and station C is on the sea marked by a buoy. The latitude and departure of the lines are computed as follows: Line Latitude (m) Departure (m) + 159.40 - 326.16 АВ +136.95 BC +153.82 СА +166.75 - 290.77 24. Determine the bearing of line AB a) N 50o30' E b) N 40°40' E c) S 34°45' E 25. Determine the bearing of line BC a) S 25°15 E b) S 45°23' E c) N 23°34' W 26. Determine the bearing of CA a) N 56°23' W b) N 45°12' E c) N 60°10' W
Chapter2: Loads On Structures
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Transcribed Image Text:In a hydrographic survey three stations ABC were established. Stations A and B are
on the shoreline and station C is on the sea marked by a buoy. The latitude and
departure of the lines are computed as follows:
Line
Latitude (m) Departure (m)
+ 159.40
- 326.16
+136.95
+153.82
АВ
BC
CA
+166.75
- 290.77
24. Determine the bearing of line AB
a) N 50o30' E
b) N 40°40' E
c) S 34°45' E
25. Determine the bearing of line BC
a) S 25°15 E
b) S 45°23' E
c) N 23°34' WW
26. Determine the bearing of CA
a) N 56°23' W
b) N 45°12' E
c) N 60°10' W
27. Calculate the interior angle at A
a) 80°23'
b) 70°34'
c) 79010'
28. Find the interior angle at B
a) 69°45'
b)65°55'
c) 57°23'
29. Determine the interior angle at C
a) 24°46'
b) 34°55'
c) 38°12'
30. Compute the area enclosed by the traverse. The area is nearest to
a) 35,345.56 sqm
b) 33,567.45sqm
c)34,587.48 sqm
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