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8) can u answer this question pls
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23 votes
8) can u answer this question pls

8) can u answer this question pls-example-1
User Shadowmatter
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1 Answer

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2 votes

Answer: 346.19cm²

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

User Elias Nicolas
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