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Surveying - Engineering

Q1:

A traverse deflection angle is

A less than 90°

B more than 90° but less than 180°

C the difference between the included angle and 180°

D the difference between 360° and the included angle.

ANS:C - the difference between the included angle and 180°

It can be understand by the figure of traversing by deflection angles.

You can clearly see that;

180 - included angle = deflection angle.
So, it varies between 0 to 180 degrees. Included angle = 90*(2n-4).
Exteriors angle = 180* (2n+4).