Question: Problems using the Circle Command in the Geometry Package


I'm working through a manual to improve my use of Maple commands.  In particular, earlier today I used/entered the circle command in the Geometry package.  I used that command circle successfully.  Later in the day I went to do the circle command again and I kept getting the message as shown below.  Same command, different result.  So I haven't been able to complete my tutorial.  I'd love to know what I'm doing wrong here.  The other time it worked perfectly.   Hope you can help, thanks Dave.

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