Which method involves measuring an object from two fixed points of reference?

The coordinate method involves determining the location or size of an object based on its measurements in relation to two fixed points of reference. This technique is often used in various fields to create a precise framework for identifying and plotting the position of elements in a given space.

In practical applications, the coordinate method allows for a systematic way of recording measurements, typically employing a grid or a coordinate system, which aids in the accurate representation of objects' dimensions and positions. This is crucial when ensuring that spatial relationships are maintained, particularly in investigations that require high levels of accuracy, such as crime scene analysis or forensic mapping.

The other methods refer to different techniques. For instance, the triangulation method uses angles between multiple points to establish a position, while the cross-projection method and line-up method involve more visual alignments and projections rather than relying solely on direct measurements from fixed points.