a1f a1f
  • 20-03-2020
  • Mathematics
contestada

please helpme with this

please helpme with this class=

Respuesta :

Wallind11
Wallind11 Wallind11
  • 20-03-2020

Step-by-step explanation:

Diameter =12 ft

i.e 2r=12

or, r=12/2 =6ft

SA =3πr²

=3(6)²π ft²

=3×36π ft²

=108π ft²

Answer Link
1610430ouhbfa 1610430ouhbfa
  • 20-03-2020

Answer:

108 pi ft^2

Step-by-step explanation:

r=1/2d=6 ft

SA = 3pir^2= 3pi(6 ft)^2=108pi ft^2

Answer Link

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