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aleksandr82 [10.1K]
3 years ago
11

Can someone help me on 6 and 9?

Mathematics
1 answer:
Papessa [141]3 years ago
3 0
6. instead of multiplying by 4/3 it would be 2/3 because it is half a sphere.
9. you should have multiplied by pi first then multiply by 4/3 to make it more easy for you
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