Respuesta :

guexpale869

Answer:

b i just toke the test

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Hope008

Answer:

[tex] \boxed{\bf A)\: 3 \: units}[/tex]

Step-by-step explanation:

Given that, the area = 9π units²

Area of a circle = πr²

So...

  • [tex]\bf {\pi}r^{2} = 9\pi[/tex]
  • [tex]\bf {r}^{2} = 9[/tex]
  • [tex]\bf r = 3 \: units[/tex]

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