Evaluate
125\pi \approx 392.699081699
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\frac{1}{3}\pi \times 25\times 15
Calculate 5 to the power of 2 and get 25.
\frac{25}{3}\pi \times 15
Multiply \frac{1}{3} and 25 to get \frac{25}{3}.
\frac{25\times 15}{3}\pi
Express \frac{25}{3}\times 15 as a single fraction.
\frac{375}{3}\pi
Multiply 25 and 15 to get 375.
125\pi
Divide 375 by 3 to get 125.
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