Math Problem Statement
- A closed traverse has the following data:
COURSE
BEARING
DISTANCE
A-B
N 9.27° E
58.7 m
B-C
S 88.43° E
27.3 m
C-D
N 86.73° E
35.2 m
D-E
S5.3° E
35.0 m
E-A
Table 10
Compute the bearing and the distance of line E-A.
Solution
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Math Problem Analysis
Mathematical Concepts
Traverse Computation
Trigonometry
Azimuth Conversion
Bearing Calculation
Formulas
Northing = Distance × cos(Bearing Angle)
Easting = Distance × sin(Bearing Angle)
Azimuth Conversion: Adjust bearing based on the quadrant
Distance = √(Northing^2 + Easting^2)
Bearing = tan⁻¹(Easting / Northing)
Theorems
Pythagorean Theorem for distance
Trigonometric Functions (Sine, Cosine, and Tangent) in plane surveying
Suitable Grade Level
Undergraduate Engineering or Advanced High School
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