Question

The angular misclosure for a five-sided polygon traverse with observed interior angles of 110°26'48'', 105°55'04'', 113°15'34'', 100°35'24'', and 109°47'20'' is 10". If each angle is adjusted by applying an average correction, list the adjusted angles, and their sum.

Answer #1

Observations, using an electronic theodolite were taken in the
field for 5 sided polygon traverse, ABCDE. These observations are
tabulated below. The coordinates of station A are 1000.000m E,
1000.000 m N. Orienting bearing of leg AB is 73°00’00”. Leg BC is
in S.E quadrant.
Using these data determine the adjusted coordinates of B, C, D and
E applying Bowditch’s rule.
Horizontal distance (m) Horizontal Angle (included) Line Length (m)
Station Angle AB 51.766 A 101°03’18” BC 26.947 B 101°41’48”...

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...

The exterior angles in a six-sided closed-polygon traverse were
observed as A=244∘28′38′′, B=238∘26′50′′, C=246∘25′56′′,
D=234∘27′02′′, E=235∘08′55′′, and F=241∘02′45′′.
a)Compute the angular misclosure.
Express your answer to two significant figures.
b)For what FGCS order and class is this survey adequate?

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