[tex]\large\text{$A ~\acute{a}rea ~total ~do ~cone ~ \Rightarrow ~ At =384 \pi ~cm^2 $}\\\\\\\large\text{$ A ~\acute{a}rea ~Lateral ~do ~cone ~ \Rightarrow ~Al = 240 \pi ~cm^2 $}[/tex]
[tex]\large\text{$ Volume ~de ~s\acute{o}lidos ~geom\acute{e}tricos $}[/tex]
A área total do cone:
[tex]At = \pi ~.~r ~. ~(g+r)\\\\At = \pi ~.~12 ~. ~(20+12)\\\\At = \pi ~.~12 ~. ~(32)\\\\At = \pi ~.~12 ~. ~(32)\\\\At =384 \pi ~cm^2[/tex]
A área lateral do cone:
[tex]Al = \pi ~. ~r~.~g\\\\Al = \pi ~. ~12 ~. ~20\\\\Al = 240 \pi ~cm^2[/tex]
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