metsj373 Posted December 18, 2011 Share Posted December 18, 2011 I need to find the center of a circle that is tangent to another circle and a point on a line. I cannot use tangent tangent radius, Any suggestions. Quote Link to comment Share on other sites More sharing options...
dirkvandonkelaar Posted December 18, 2011 Share Posted December 18, 2011 can you post the file, so i can take a look at it? Quote Link to comment Share on other sites More sharing options...
metsj373 Posted December 18, 2011 Author Share Posted December 18, 2011 The circle that is complete has a radious of 108. I need a circle with a radious of 102 that is tangent to that circle and tangent to a point 54 mm to the right of the start of the rectangle. hanging casting.dwg Quote Link to comment Share on other sites More sharing options...
dirkvandonkelaar Posted December 19, 2011 Share Posted December 19, 2011 does the circle with the radius of 102mm need to be 54mm tot he right of this point of the rectangle? Quote Link to comment Share on other sites More sharing options...
eldon Posted December 19, 2011 Share Posted December 19, 2011 I need to find the center of a circle that is tangent to another circle and a point on a line. I cannot use tangent tangent radius, Any suggestions. Usually you need to do a bit of temporary construction to find the centre. Offset the circle by the new radius, so that you know that the centre of the new circle will lie somewhere on this offset line. Then draw a circle, centred on the line point, with a radius of your new circle, and where the two intersect is the proper centre of the new circle. Quote Link to comment Share on other sites More sharing options...
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