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Helpppppppppppppppppppppppppp
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Helpppppppppppppppppppppppppp

Helpppppppppppppppppppppppppp-example-1
User Demir
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Explanation:


2\pi {r}^(2) + 2\pi rh


2(3.14) {(20)}^(2) + 2(3.14)(20)(11)


6.28(400) + 6.28(220) \\ 2512 + 1381.6 = 3893.6 {mi}^(2)

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