Assertion: director circle | /r/HasAspect | same center
Facets:
value: with radius
type: OTHER
value: as the ellipse
type: OTHER
Source sentences:
text: It has the same center as the ellipse, with radius a 2 + b 2 {\displaystyle {\sqrt {a^{2}+b^{2}}}} , where a {\displaystyle a} and b {\displaystyle b} are the semi-major axis and semi-minor axis of the ellipse.