Given the following tabulated data for a close traverse in which the lengths of BC and CD have not been measured in the field. Determine these unknown quantities. (HINT: Use station B and D as a closing line to create a three-sided polygon then use sine or cosine law to solve for the missing sides or course.) *Please show the detailed solution. Thank you LINES/COURSEBEARINGLENGTHLATITUDESDEPARTURES+N-S+E-WABN 09°30'W639.32 m630.55105.52BCN 56°55'WUNKNOWNS 56°13'WS 02°02'ES 89°31'ECDUNKNOWNDE570.53 m570.1720.24EA1,082.71 m9.131,082.67SUMS =a. Determine the length and bearing of the closing line BD.b. Determine the length of course BC.c. Determine the length of course CD.

Length of Line BC = 556.77 m Length of line CD = 638.73 m

Answered: b. Determine the length of course BC.…

Engineering

Civil Engineering

b. Determine the length of course BC. c. Determine the length of course CD.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

Given the following tabulated data for a close traverse in which the lengths of BC and CD have not been measured in the field. Determine these unknown quantities.
(HINT: Use station B and D as a closing line to create a three-sided polygon then use sine or cosine law to solve for the
missing sides or course.)

*Please show the detailed solution. Thank you

LINES/COURSE
BEARING
LENGTH
LATITUDES
DEPARTURES
+N
-S
+E
-W
AB
N 09°30'W
639.32 m
630.55
105.52
BC
N 56°55'W
UNKNOWN
S 56°13'W
S 02°02'E
S 89°31'E
CD
UNKNOWN
DE
570.53 m
570.17
20.24
EA
1,082.71 m
9.13
1,082.67
SUMS =
a. Determine the length and bearing of the closing line BD.
b. Determine the length of course BC.
c. Determine the length of course CD.

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