Equation of a Circle with Diameter on a Given Line
If the endpoints of the diameter are $$A(x_1,y_1)$$ and $$B(x_2,y_2)$$, then:
$$(x-x_1)(x-x_2)+(y-y_1)(y-y_2)=0$$
Usage
- Used when the endpoints of a diameter are known or can be determined from a given line.