• Help! I need a pointer please

Question related to mission Three Points Circle

 

I can do this on paper and I have my sets of coordinates in tuples. But I have no idea how to get the calculation started in Python. Can I get a hint? Do I need to import a module?

thanks :)

Created at: 2018/02/16 23:50; Updated at: 2018/02/17 13:40
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dynamo-nath