Circle described on the focal length as diameter touches the tangent at the vertex

Circle described on the focal chord as diameter touches the tangent at the vertex

Circle described on the focal chord as diameter touches

Circle described on the focal chord as diameter touches the directrix.

Prove that the circle described on the focal chord as a diameter touches the directrix

Circle described on focal length as diameter always touches the auxilliary circle.

Prove that the circle on a focal radius of a parabola, as diameter touches the tangent at the vertex.

The circles on the focal radii of a parabola as diameter touch: A the tangent tat the vertex B) the axis C) the directrix D) latus rectum

The circles on the focal radii of a parabola as diameter touch: A) the tangent at the vertex B) the axis C) the directrix D) latus rectum

Prove that the circle described on the focal chord of parabola as a diameter touches the directrix