Description
do both of them in EXCEL
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Explanation & Answer
Attached.
Station
A
AB
B
BC
C
CD
D
DE
E
EA
Perimeter
Length (m)
Azimuth= X
Cos (X)
Sin (X)
79.8651012
238.91
-0.516383874
-0.856357224
351.7840242
205.09
-0.905642822
-0.424041365
252.8974026
259.23
-0.186866965
-0.982385229
193.7602941
101.87
-0.205691811
0.978616819
136.894381
96.74
-0.117364073
0.993088956
1015.201203
Misclosure
Correction of Latitude = [Total Latitude Misclosure/Total Perimeter] x Length
Correction of Departure = [Total Departure Misclosure/Transverse Perimeter] x Length
Calculating the X and Y Coordinates
is as follows:
YB = YA + Latitude AB
XB = XA + Departure AB
Relative precision is a ratio of linear misclosure and divided by the tranverse perimeter expressed in the reciprocal form:
Calculated as: [(-463.0112848)^2 +(-140.4413264)^2]^1/2
(234102.86)^1/2 = 483.841772
hence precision is 1/483.841772 = 0.00206679137
Latitude = dcos(X)
in the reciprocal form:
Departure = dsin(X)
-41.24105036
-68.39305636
-318.5906764
-149.1709778
-47.25817008
-248.4426728
-39.85490579
189.6170827
-16.06...
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