Which of the following most nearly gives the surface area A generated by revolving the right triangle about the z-axis through 180°? a) A = 1,879.13 mm² b) A = 2,321.16 mm² c) A = 2,028.17 mm² d) A 1,931.34 mm² e) A = 2,105.13 mm² f) None of the choices z 8 mm 12 mm 12 mm X

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