Answer: A plane.
- A A sphere
- B A line
- C A plane
- D A circle
Correct answer: C. A plane
Explanation: The locus of points equidistant from two fixed points in 3D space is the perpendicular bisector plane of the segment joining them.
Three mutually perpendicular axes x, y, z meeting at the origin O, with a point P located by its (x, y, z) coordinates.
Concept context
Lines and planes in 3D space, direction cosines, distances, and angles