Final answer:
The correct option is (D). The given information is insufficient to accurately determine the dimensions of the 'tightrope RT button'. More context, such as the magnification factor, is needed to make a proper calculation of the new dimensions.
Step-by-step explanation:
Based on the details provided, it appears there is a question regarding the enlargement or reduction of an object when viewed through a particular medium or device. If the original dimensions of an object are given, and an enlargement or reduction factor is applied, we can determine the new size of the image of that object. However, the question as presented does not contain enough information to accurately provide the dimensions of the 'tightrope RT button'. For purposes of providing some context, if we consider an object that originally measures 1 mm and we know the factor by which it is increased or decreased, we can apply that scale factor to the original dimensions to determine the object's new dimensions.
Without additional context, such as the magnification factor or method of size alteration, choosing one of the options provided (A, B, C, or D) cannot be done with confidence. Therefore, answering this question accurately would require more information regarding the factors influencing the dimensions of the 'tightrope RT button'.