Circle by center and radius
Ribbon: Home, Draw – Draw – Circle > 
Center, Radius
Menu: Draw – Circle > 
Center, radius
Toolbar: Draw –
Hotkeys: CTRL+ALT+C
Command line: C, CIRCLE
Command options:
| 3P | Circle by three points. |
|---|---|
| 2P | Circle by diameter. |
| TTR | Circle by two tangents and radius. |
| Diameter | Circle by center and diameter. |
Command prompts:
| Specify center point of circle or [3P/2P/TTR]: | Specify center (point 1). |
|---|---|
| Specify radius: | Specify radius of circle (point 2). |
Circle by two tangents and radius
Ribbon: Home, Draw – Draw – Circle > 
Tan, Tan, Radius
Menu: Draw – Circle > 
Two Tangents, Radius
Toolbar: Draw –
Command line: CIRCLEBYTTR
Command prompts:
| Specify a point on first tangent object: | Select a first tangent object (point 1). |
|---|---|
| Specify a point on second tangent object: | Select a second tangent object (point 2). |
| Specify radius: | Specify radius of circle. |
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