Assertion: ellipse's point | /r/HasProperty | the center of the ellipse
Facets:
Source sentences:
text: The point midway between the two sticks is the " center " of the ellipse.
text: The mid-point of the segment $F_1F_2$ is called the centre of the ellipse.
text: When a line segment is drawn joining the two focus points, then the mid-point of this line is the center of the ellipse.
text: But the more useful form looks quite different: ...where the point ( h, k) is the center of the ellipse, and the focal points and the axis lengths of the ellipse can be found from the values of a and b .