FE Civil Engineering Exam Prep

Category - Civil Engineering

In traverse computations, the sum of angles in closed figures equals which of the following? (Assume n = number of sides)
  1. (n+2) x 180°
  2. (n+1) x 180°
  3. (n-1) x 180°
  4. (n-2) x 180°
Explanation
Answer: D - In traverse computations, the sum of angles in closed figures equals (n-2) x 180°. Closed traverses are polygonal in shape, and therefore the sum of interior angles of a polygon equation applies: S = (n-2) x 180°.
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