tarche59 tarche59
  • 23-06-2017
  • Mathematics
contestada

Find the surface area of the cylinder in terms of pi.

Height = 8 in
Diameter = 4in

Respuesta :

altavistard
altavistard altavistard
  • 29-06-2017
1) the area of the "side" of the cylinder is A1= pi (4 in).
2) the total area of the circular ends of the cyl. is A2 = 2 pi (2 in)^2 (since the radius of the cyl. is 2 in).

The desired total surface area is A = A1 + A2.  Keep "pi;" do not substitute a numerical value for "pi."
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