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2 years ago

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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