43875y23489567294536 43875y23489567294536
  • 09-05-2022
  • Mathematics
contestada

I'm so confused about this question. I follow the formula exactly and it still says it's wrong. Can anyone explain how to do this?

Im so confused about this question I follow the formula exactly and it still says its wrong Can anyone explain how to do this class=

Respuesta :

angielinax7
angielinax7 angielinax7
  • 09-05-2022

Given info:

Radius - 7cm[tex]A = 140\pi + 98\pi[/tex]

Height - 10cm

Formula - [tex]A = 2\pi rh + 2\pi r^{2}[/tex]

r = radius

h = height

Therefore, the step-by-step work is:

[tex]A = 2\pi (7)(10) + 2 \pi 7^{2}[/tex]

[tex]A = 2\pi 70 + 2\pi 49[/tex]

[tex]A = 140\pi + 98\pi[/tex]

[tex]A = 238\pi[/tex]  :)

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