Respuesta :

mkhardware112

Answer:

18.3

Step-by-step explanation:

[tex]4 \times 3 = 12[/tex]

[tex]

[tex]π

[tex]πr

[tex]πr2

[tex]πr2 = 12.57[/tex]

[tex]12.57 \div 2 = 6.3[/tex]

[tex]12 + 6.3 = 18.3[/tex]

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