Layout > Working with Entities > Creating Entities > To Create Circles
  
To Create Circles
1. On the Design tab, click the arrow next to Circle, and then choose a creation method:
◦ Click Center and Point and select a point for the center of the circle.
◦ Click 2 Point and select the first point on the circumference to place the diameter.
◦ Click 3 Point and select the first point on the circumference.
◦ Click Tangent and select an arc, circle, ellipse, or line at the tangency point to set the first point on the circumference.
◦ Click Concentric and select a circle or arc or the center point of a circle or arc as a reference for the center point.
When you select a creation method, the location of the start point is displayed, relative to the base point.
2. To display the diameter while you create the circle, click . To display the radius of the circle, click .
3. To lock the circle you are creating, press Enter or type L.
4. Drag the pointer and select a second point to set the size or the circumference of the circle. To set the second point for a tangent circle, select an arc, circle, ellipse, or line at the tangency point.
5. When creating 3-point or tangent circles, drag the pointer and select a third point to set the size or the circumference of the circle.
6. Middle-click to exit the tool.