solving circle by 3 points | Desmos

solve O = equi-distant

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Hidden Label: "O" equals left parenthesis, "O" Subscript, "x" , Baseline , "O" Subscript, "y" , Baseline , right parenthesis

Label

equals

left parenthesis, 3.9 3 8 5 2 1 5 3 , 2.3 4 5 4 5 5 3 9 , right parenthesis

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Expression 9: "l" left parenthesis, "a" , "b" , right parenthesis equals left parenthesis, "b" . "x" minus "a" . "x" , right parenthesis squared plus left parenthesis, "b" . "y" minus "a" . "y" , right parenthesis squared

9

Expression 10: left parenthesis, "l" left parenthesis, "O" , "A" , right parenthesis minus "l" left parenthesis, "O" , "B" , right parenthesis , right parenthesis squared plus left parenthesis, "l" left parenthesis, "O" , "B" , right parenthesis minus "l" left parenthesis, "O" , "C" , right parenthesis , right parenthesis squared tilde 0

10

trace circle

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Expression 12: "l" left parenthesis, "O" , left parenthesis, "x" , "y" , right parenthesis , right parenthesis equals "l" left parenthesis, "O" , "A" , right parenthesis

12

Expression 13: polygon left parenthesis, "O" , "A" , "O" , "B" , "O" , "C" , right parenthesis

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