Which of the following best defines a radar fix?

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A radar fix is obtained by triangulating your position using radar measurements to at least two fixed objects or landmarks. By determining both the range and the bearing to each reference, and knowing the exact charted locations of those references, you can plot where your vessel lies. Each reference provides a line of position (from the bearing) or a circle of possible positions (from the range); with two references, those lines or circles intersect at a single point, giving your current position. Taking measurements simultaneously ensures the data reflect the same moment, reducing error from movement. Landmarks are included because they’re charted, identifiable references that can be used when fixed objects aren’t available.