# Search Results for “parabola”

##### Parabola Tangent Circumcircle

3 tangents of a parabola form a triangle. Its circumcircle passes through the parabola's focus.##### Parabola and catenary

There isn't much difference between a catenary and its approximate parabola. The catenary is the correct model of an ideal chain. But the parabola fits fairly well too.##### Rolling Parabola

If you roll a parabola along the ground, what curve does its focus trace out? It might look like a parabola, but is it?##### Polar Point Parabola

The polar point of a line in a parabola is a common point to the chords defined by the common tangents through the points on the line. (Go to**Full Screen**if the green points won’t drag)