AviationTire General Navigation In-Flight Navigation Navigation in Cruising Flight, Use of Fixes to Revise Navigation Data Q 1 / 5

A pilot receives the following signals from a VOR DME station: radial 180° +/- 1° , distance = 200 NM. What is the approximate error?

+/- 3.5 NM.
+/- 1 NM.
+/- 2 NM.
+/- 7 NM.