Sketch

1. Enter the Sketcher on the ZX plane and draw two circles as shown below:
   

2. Now create a second symmetry line, and draw a circle from the point shown below:
   

   Select the tangenttangent of either circle.

   

   

3. With the use of the Trim toolTrim tool, trim the edges to receive the following view:
   

4. Place the dimensions:
   

   To apply a dimension value of 43.5, select the upper arc and the symmetry line indicated by the arrow in the picture below:

   

5. Now, from the Sketcher general toolbarSketcher general toolbar, select the Save Sketch iconSave Sketch icon.

   

   

6. Save the sketch as follows:
   

7. Exit the Sketcher.