Question

Define the term director circle in mathematics??

Answer 1

Answer:

A circle consisting of all points where two perpendicular aside lines to the ellipse cross each other.

Answer 2

Step-by-step explanation:

In geometry, the director circle of an ellipse or hyperbola (also called the orthoptic circle or Fermat–Apollonius circle) is a circle consisting of all points where two perpendicular tangent lines to the ellipse or hyperbola cross each other.