Chord Length Cut by a Line

Rarely Tested

Chord Length Cut by a Line

If a line intersects the parabola at parameters $$t_1,t_2$$, the chord length is:

$$L=a|t_1-t_2|\sqrt{(t_1+t_2)^2+4}$$

Usage

- Used to find the length of a chord when the endpoint parameters are known.

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