[tex] \frac{VO*AB}{2}=12 =\ \textgreater \ 3*AB=24 =\ \textgreater \ AB= \frac{24}{3}=\ \textgreater \ AB=8 [/tex] cm
[tex]R(raza)= \frac{AB}{2} = \frac{8}{2}=4 [/tex] cm
[tex] G^{2}= H^{2}+ R^{2} [/tex]
=[tex] 3^{2}+ 4^{2} [/tex]
=9+16
=25 => G=[tex] \sqrt{25}=5 [/tex] cm
V=π[tex] R^{2} [/tex][tex]*[/tex] H / 3 = π16[tex]*[/tex] 3/3=16π[tex] cm^{3} [/tex]
