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32\pi r
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32\pi r
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2\pi r\times 16
Add 6 and 10 to get 16.
32\pi r
Multiply 2 and 16 to get 32.
2\pi r\times 16
Add 6 and 10 to get 16.
32\pi r
Multiply 2 and 16 to get 32.
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