Respuesta :

panicathedicsophan03

I believe the radius would be 3.39

Hope this helps! Good luck! :)

bts22

Surface Area = 4πr²

144(π)cm² = 4(π)r²             Divide by π on both sides

144cm² = 4r²                      Divide by 4 on both sides

36 = r²                               Find the square root of both sides

√36 = √r²

6 = r


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