Google Classroom
GeoGebraGeoGebra Classroom

A Circle Tangent to Line Through Given Point

Topic:
Circle
Drag point D in the figure below. The circle is tangent to line AB at D and passes through point C. The Center E traces a parabola.

A Circle Tangent to a Line Passing (AB) Through a Given Point (C)

Try to mimic the construction below!
Not sure how to do it? Play through the construction below!