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Veseljchak [2.6K]
2 years ago
15

Helpppppppppppppppppppppppppp

Mathematics
1 answer:
Dahasolnce [82]2 years ago
3 0

Step-by-step 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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