In the plane, a perpendicular bisector is a line, but in three-dimensional space, a perpendicular bisector is a plane. And in 10-dimensional space, a perpendicular bisector is whatever splits ...

Perpendicular bisector of a line segment Practise these constructions until you can do them without looking at the instructions. Follow the instructions and draw this perpendicular bisector of a ...

The Monthly publishes articles, as well as notes and other features, about mathematics and the profession. Its readers span a broad spectrum of mathematical interests, and include professional ...