Final answer:
The SolidWorks mirror feature is represented by option d) ⊥, which typically is an icon of a rectangle with a line through it, indicating a plane used for mirroring in the software.
Step-by-step explanation:
The icon that represents the SolidWorks mirror feature is option d) ⊥. In SolidWorks, this icon is typically a rectangle with a line through it, symbolizing a plane or a face, which is being used to mirror parts or features. The other icons do not represent the mirror feature; option a) ⚫️ often represents a solid or filled object, option b) △ is typically used for a warning or to indicate change, and option c) ⟳ could represent refresh or rotate operations in various software applications. The mirror feature in SolidWorks is a powerful tool used to create symmetrical parts in a design, saving time and ensuring accuracy in the geometric construction of the model.