Evaluate
\frac{\pi }{48}\approx 0.065449847
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\frac{4\pi \times 0.015625}{3}
Calculate 0.25 to the power of 3 and get 0.015625.
\frac{0.0625\pi }{3}
Multiply 4 and 0.015625 to get 0.0625.
\frac{1}{48}\pi
Divide 0.0625\pi by 3 to get \frac{1}{48}\pi .
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