👉 The term "conchoidal" is a mathematical concept in geometry, specifically related to lines and angles. It refers to a line that has two points on it which are at right angles with each other. These two points are called the endpoints of the line. In a conchoidal line, one point is at the center (the origin), and the other point is at a distance equal to the radius from the origin to the midpoint of the line segment joining the two points. The angle between