Respuesta :

SA = (pi)r^2 + (pi)rs
      = (pi)(4.5)^2 + (pi)(4.5)(7)
      = (pi)(20.25) + (pi)(31.5)
      = 63.61 + 98.96
      = 162.57

Therefore surface area is 162.57cm^2, assuming that 7 is slant height.
beast32

it answer is the 36in.


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