Evaluate
300\pi \approx 942.477796077
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\frac{900\times 120\pi }{360}
Calculate 30 to the power of 2 and get 900.
\frac{108000\pi }{360}
Multiply 900 and 120 to get 108000.
300\pi
Divide 108000\pi by 360 to get 300\pi .
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