In a hydrographic survey three stations ABC were established. Stations A and B an on the shoreline and station C is on the sea marked by a buoy. The latitude an departure of the lines are computed as follows: Line Latitude (m) Departure (m) AB BC + 159.40 - 326.16 +166.75 +136.95 +153.82 - 290.77 27 - 30 , thank you CA 24. Determine the bearing of line AB a) N 50030' E N 40°40' E c) S 34°45' E 25. Determine the bearing of line BC 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 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'
In a hydrographic survey three stations ABC were established. Stations A and B an on the shoreline and station C is on the sea marked by a buoy. The latitude an departure of the lines are computed as follows: Line Latitude (m) Departure (m) AB BC + 159.40 - 326.16 +166.75 +136.95 +153.82 - 290.77 27 - 30 , thank you CA 24. Determine the bearing of line AB a) N 50030' E N 40°40' E c) S 34°45' E 25. Determine the bearing of line BC 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 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'
Traffic and Highway Engineering
5th Edition
ISBN:9781305156241
Author:Garber, Nicholas J.
Publisher:Garber, Nicholas J.
Chapter14: Highway Surveys And Location
Section: Chapter Questions
Problem 5P
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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)
AB
вс
+ 159.40
- 326.16
+136.95
27 - 30, thank you
+153.82
CA
+166.75
- 290.77
24. Determine the bearing of line AB
a) N 50030' E
N 40 40' E
c) S 34°45' E
25. Determine the bearing of line BC
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
N 60°10' W
27. Calculate the interior angle at A
a) 80°23'
b) 70°34'
c) 79o10'
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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