Respuesta:
[tex]\begin{aligned}\text{Radio R}&=3\\\text{Altura H}&=12\\&\downarrow\\\text{Area Lateral}&=2\pi{R}\times{H}\\&=2\pi\times3\times3\\&=\bold{226.19}\\\text{Area Total}&=226.19+2\pi{R}^2\\&=226.19+2\pi\times3^2\\&=226.19+2\pi\times9\\&=226.19+56.55\\&=\bold{282.74}\\\text{Volumen}&=\pi{R}^2\times{H}\\&=\pi\times3^2\times12\\&=\pi\times9\times12\\&=28.27\times12\\&=\bold{339.29}\end{aligned}[/tex]
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Respuesta:
[tex]\begin{aligned}\text{Radio R}&=3\\\text{Altura H}&=12\\&\downarrow\\\text{Area Lateral}&=2\pi{R}\times{H}\\&=2\pi\times3\times3\\&=\bold{226.19}\\\text{Area Total}&=226.19+2\pi{R}^2\\&=226.19+2\pi\times3^2\\&=226.19+2\pi\times9\\&=226.19+56.55\\&=\bold{282.74}\\\text{Volumen}&=\pi{R}^2\times{H}\\&=\pi\times3^2\times12\\&=\pi\times9\times12\\&=28.27\times12\\&=\bold{339.29}\end{aligned}[/tex]
espero ayudar ❤