Question

Can someone help me please

Answer 1

b i just toke the test

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Answer 2

`\boxed{\bf A)\: 3 \: units}`

Explanation:

Given that, the area = 9π units²

Area of a circle = πr²

So...

• 
  `\bf {\pi}r^(2) = 9\pi`
• 
  `\bf {r}^(2) = 9`
• 
  `\bf r = 3 \: units`

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