Final answer:
The question lacks context to provide an accurate answer regarding the minimum distance between a flagging station and a workspace. Mathematical calculation is required for distance-related questions, but without procedural standards, an answer cannot be confidently given.
Step-by-step explanation:
The question seems to relate to a procedure involving measuring distances in a classroom activity, which does not specify a minimum distance between the flagging station and the workspace. To answer the provided procedures and trials regarding distance measurements, one must use mathematics to calculate or infer distances based on given parameters. However, the question does not provide enough context to give an accurate answer to the minimum distance required between the flagging station and the workspace. Typically, such standards would be provided by the conducting body or in the instructions of an activity or experiment. Therefore, based on the lack of specific information on safety or procedure standards, it's not possible to confidently provide the minimum distance required in this context.