The whole circle bearing (WCB) of a line is 290 degrees 30 minutes. Its reduced bearing (RB) is:
AS 69 degrees 30 minutes W
BS 20 degrees 30 minutes E
CN 69 degrees 30 minutes W
DN 20 degrees 30 minutes W
Explanation
The line lies in the 4th quadrant (NW) since 270° < 290°30' < 360°. Reduced bearing RB = 360°00' - 290°30' = N 69°30' W.

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