Question: Representing a circle through [geometry] circle


i need to represent a circle using the command [geometry] circle because i have a problem and i have to calculate an 

intersection between two circles whit command intersection() which is ruled by Package geometry.

For example, with the first circle  i did like the help page says

 But it's Error:

centre of circle(3300;2200)


I don't understand the eror. Can you help me?
Thanks in advance.

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