Evaluate
\frac{637\pi }{4}\approx 500.298630084
Expand
\frac{637 \pi}{4} = 500.29863008417453
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\pi \times 45.5\left(24.5-21\right)
Add 24.5 and 21 to get 45.5.
\pi \times 45.5\times 3.5
Subtract 21 from 24.5 to get 3.5.
\pi \times 159.25
Multiply 45.5 and 3.5 to get 159.25.
\pi \times 45.5\left(24.5-21\right)
Add 24.5 and 21 to get 45.5.
\pi \times 45.5\times 3.5
Subtract 21 from 24.5 to get 3.5.
\pi \times 159.25
Multiply 45.5 and 3.5 to get 159.25.
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