¿Cuál es la superficie de un cono con un diámetro de 6 pies (1,82 m) y una altura inclinada de 18 pies (5,48 m)?

a. 678,24 pies cuadrados (206,73 m²)
b. 339,12 pies cuadrados (103,36 m²)
c. 169,56 pies cuadrados (51,682 m²)
d. 84,78 pies cuadrados (25,841 m²)


c. 169,56 pies cuadrados (51,682 m²)

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