Problem 4 (20 points)

A closed-loop traverse ABCDA was run around an area and the following observations were made:

a) Adjust the angular error, if any, and

b) Calculate the departure and latitude of each traverse station.

c) Calculate the coordinates of other stations if the coordinates of station A are E1000 ft. and

N1000 ft.

d) Compute the area of a polygon in acres

Station

at

A

B

C

D

to

B

D

A

Length (ft)

187.4

382.7

106.1

364.8

Interior Angle (Right)

A = 86°30′02"

B = 80°59′34"

C=91°31'29"

D = 100°59'15"

Bearing

39°48'20"