Radius from Diameter Endpoints

Rarely Tested

Radius from Diameter Endpoints

For diameter endpoints $$A(x_1,y_1)$$ and $$B(x_2,y_2)$$:

$$ r=\frac12\sqrt{(x_2-x_1)^2+(y_2-y_1)^2} $$

Usage

- Used to determine the radius from the coordinates of the diameter endpoints.

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