Respuesta :

Answer:

2pi(5) - 2pi(3)

Step-by-step explanation:

hopefully that helped. just use formula and plug in the radius (:

Answer:

28.26 cm ^2

Step-by-step explanation:

A= [tex]\pi[/tex] r ^2

A= 3.14 x 3 x 3

A = 28.26 cm ^2

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