Elementary Surveying, Global Edition
Elementary Surveying, Global Edition
14th Edition
ISBN: 9781292060491
Author: Charles D. Ghilani, Paul Wolf
Publisher: PEARSON
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Chapter 9, Problem 9.1P
To determine

The procedure to achieve polygon traverse.

Expert Solution & Answer
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Explanation of Solution

A closed traverse is a series of consecutive lines in which the last line ends at the starting point.

The sum of total interior angles is determined using the expression

  Sum of angles (S)=(n2)×180 where n=number of sides of the polygon

The angular misclosure is estimated using

   Angular misclosure (A)=Sum of measured angles (S)-Geometrical correct total

If A0, then the A value is divided with total number of angles, and each angle is corrected

  Correction of each angle =An

The correction can be negative or positive, according the correction is either added or subtracted from each angel.

The above procedure is followed to achieve angular closure in a polygon traverse.

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