Respuesta :

destiny489
The diameter would be d=28.57

Answer:

d = 28.57

Step-by-step explanation:

area = πr^2

so

641 = πr^2

641/π = r^2

204.036637 = r^2

14.2841394 = r

diameter = 2r

14.2841394(2) = d

28.5682788 = d

rounded to nearest hundredth is

d = 28.57

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