C = \sqrt { \frac { ( 34,85 ^ { 2 } - 19,85 ^ { 2 } ) } { ( 2 * p i * 34,85 * 19,85 * 65 * 10 ^ { - 3 } ) } } =
Assign C (complex solution)
C≔\frac{\sqrt{\frac{2}{\pi }}}{2},\frac{\sqrt{11637690}}{1615},\frac{10\sqrt{2210}}{13}
Solve for C
C = \frac{1000 \sqrt{\frac{53958255}{\pi}}}{211601} \approx 19.585573635
Assign C
C≔\frac{1000\sqrt{\frac{53958255}{\pi }}}{211601}
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