find the angle between two lines or two circles
two lines or circles
The routine finds the angle between two lines u and v, or between two circles u and v.
When u and v are two lines, the smaller angle between two lines is reported.
When u and v are two circles, the angle returned is in the range 0..Pi.
The command with(geometry,FindAngle) allows the use of the abbreviated form of this command.
_EnvHorizontalName ≔ 'x':_EnvVerticalName ≔ 'y':
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