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Surveying FS

Category - Plane Survey Calc

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In traverse computations, the sum of angles in closed figures equals which of the following? (Assume n = number of sides)

(n+2) x 180°
(n+1) x 180°
(n-1) x 180°
(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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