Practice Quiz

Surveying FS

Category - Plane Survey Calc

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What is the sum of the exterior angles of an eight-sided traverse?
  1. 180°
  2. 1,440°
  3. 1,800°
  4. None of the above
Explanation
Answer: C -Use the sum of exterior angles of a polygon equation: S = (n+2) x 180°

Where n = 8

S = (8+2) x 180°

= 1,800°

While in math class, the sum of the exterior angles of a simple polygon is always 360°, traversing measures the whole exterior angle (360 minus the interior angle), instead of the exterior angle in relation to another side (180 minus the inteiror angle).
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