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gregori [183]
3 years ago
15

Plz answer this question!!!

Mathematics
1 answer:
In-s [12.5K]3 years ago
4 0

Answer:

438.25

Step-by-step explanation:

A=2 π r h+2 π r^2=2×π×4.5×11+2×π×4.5^2≈438.25218

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