\left. \begin{array} { l } { \text { 2 } \pi ( 21 ) ( 35 ) } \\ { + \pi ( 21 ) ^ { 2 } } \end{array} \right.
Evaluate
1911\pi \approx 6003.58356101
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42\pi \times 35+\pi \times 21^{2}
Multiply 2 and 21 to get 42.
1470\pi +\pi \times 21^{2}
Multiply 42 and 35 to get 1470.
1470\pi +\pi \times 441
Calculate 21 to the power of 2 and get 441.
1911\pi
Combine 1470\pi and \pi \times 441 to get 1911\pi .
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