English    中文

# Center of straight Circle

Category:

Distance from line to center: the center of a circle is a point, that is, the distance from a line to a point, that is, the distance from a point to a line.

## Usage example

Input data:

aperture diameter (D)0:6

Center distance (C):9

Click "Calculate" ,

percentage of opening (OA):34.907%

Per square inch:0.012 holes