Evaluate
\frac{19\pi }{9}\approx 6.632251158
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\frac{\pi \times 4\times 190}{360}
Calculate 2 to the power of 2 and get 4.
\frac{\pi \times 760}{360}
Multiply 4 and 190 to get 760.
\pi \times \frac{19}{9}
Divide \pi \times 760 by 360 to get \pi \times \frac{19}{9}.
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