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harina [27]
3 years ago
15

Please help? I have 2 questions. Thank you.

Mathematics
1 answer:
Wittaler [7]3 years ago
7 0
Surface area of a sphere = 4πr² = 4π(15)² = 900π m²

Surface area of a sphere = 4πr² = 4π(10)² = 400π m²
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