Respuesta :

Answer:

radius = 3

Step-by-step explanation:

The area (A) of a circle is calculated as

A = πr² ( r is the radius )

Here A = 9π , then

πr² = 9π ( divide both sides by π )

r² = 9 ( take the square root of both sides )

r = [tex]\sqrt{9}[/tex] = 3

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Answer:

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