Respuesta :

alahewett
To find the area of a cylinder, use the formula pi(r)^2 x h
We're solving for r
108=pi(r)^2 x 12
/12                 /12
9=pi(r)^2
/pi    /pi
2.87=r^2
[tex] \sqrt{x} [/tex] 2.87= r
1.69

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