director circle (Q5280532)
Jump to navigation
Jump to search
curve consisting of all points where two perpendicular tangent lines to the ellipse or hyperbola cross each other
- Fermat-Apollonius circle
- orthoptic circle
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | director circle |
curve consisting of all points where two perpendicular tangent lines to the ellipse or hyperbola cross each other |
|
Statements
Identifiers
Sitelinks
Wikipedia(1 entry)
- enwiki Director circle