Question

# The observed lengths of the sides (in feet) of a five-sided closed polygon traverse are as...

The observed lengths of the sides (in feet) of a five-sided closed polygon traverse are as follows:

ABABAB = 201.74, BCBCBC = 283.87, CDCDCD = 470.37, DEDEDE = 330.33, and EAEAEA = 379.78. (Note: Assume units of feet for all distances.)

The preliminary azimuths obtained after balancing the angles are as follows:

AB=218∘59′30′′AB=218∘59′30″ , BC=147∘45′49′′BC=147∘45′49″ , CD=75∘05′27′′CD=75∘05′27″ , DE=336∘56′04′′DE=336∘56′04″ , EA=266∘12′23′′EA=266∘12′23″ .

a) Computer the departures of the sides.(three sig figs)

b) computer the latitudes of the sides. (three sig figs)

c) linear misclosure. (three sig figs)

d) computer the relative precision. (three sig figs)

Lattitude = Length of line × cosine of bearing of same line

Departure = length of line × sine of bearing of same line

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