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I am Lyosha [343]
2 years ago
15

8) can u answer this question pls

Mathematics
1 answer:
Vsevolod [243]2 years ago
3 0

Answer: 346.19cm²

Step-by-step explanation:

π= 3.14

Divide 21 (the diameter) by 2 to get the radius( it 's half of the diameter). so the radius is 10.5

Area= πr²

       = 3.14x10.5x10.5

       = 346.185

So next round up the value you got to the nearest tenth, so when u round up to the nearest tenth you get 346.19

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