Final answer:
The question seems to be about geometry, specifically finding lengths using properties of perpendicular bisectors, but lacks the necessary details or diagram to provide a precise answer. Use of the Pythagorean theorem or trigonometric relationships is implied.
Step-by-step explanation:
Given the lack of context and specifics, it seems that the student's question revolves around finding lengths using concepts from geometry, possibly involving the calculation of distances using the Pythagorean theorem, or applying trigonometric relationships to determine angles and lengths. The mentions of perpendicular bisectors suggest the question might relate to properties of triangles or the characteristics of perpendicular lines in geometry.
It seems the student may have a diagram or figure in their possession that is not shared in the question. Without the diagram or more information, it is impossible to provide a precise answer. Therefore, it is recommended for the student to clarify the question and possibly provide the diagram or additional information for a more accurate response.
The general approach in such problems would be to use geometric properties and theorems to find unknown lengths and distances. For example, given perpendicular bisectors, one might use them to find the centers of circles or to work with right triangles.