Evaluate
\frac{1}{\pi }\approx 0.318309886
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\frac{\frac{40}{2400}\times \frac{180}{\pi }}{3}
Multiply 2 and 1200 to get 2400.
\frac{\frac{1}{60}\times \frac{180}{\pi }}{3}
Reduce the fraction \frac{40}{2400} to lowest terms by extracting and canceling out 40.
\frac{\frac{180}{60\pi }}{3}
Multiply \frac{1}{60} times \frac{180}{\pi } by multiplying numerator times numerator and denominator times denominator.
\frac{180}{60\pi \times 3}
Express \frac{\frac{180}{60\pi }}{3} as a single fraction.
\frac{180}{180\pi }
Multiply 60 and 3 to get 180.
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Limits
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