Respuesta :

r3t40

If [tex]C=2\pi r[/tex] then [tex]r=6[/tex] and [tex]A=\pi r^2=\boxed{36\pi}[/tex].

Hope this helps.

genius422

Answer:

36π cm

Step-by-step explanation:

C = 2πr

12π = 2πr

12π/2π = 2πr/2π

r =6

Area of a circle = πr²

A= π×6×6

A=36π cm²

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