Evaluate
7\pi \approx 21.991148575
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14\pi \times \frac{1}{2}
Reduce the fraction \frac{180}{360} to lowest terms by extracting and canceling out 180.
\frac{14}{2}\pi
Multiply 14 and \frac{1}{2} to get \frac{14}{2}.
7\pi
Divide 14 by 2 to get 7.
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