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luego sustituimos y nos da 1394.16 cm cubicos
El volumen se calcula de la siguiente manera
R equivale al radio mayor
r equivale al radio menor
h es la altura
πh(
V = 1385.28
El area que se requiere pintar es
Area lateral = π (R + r)h
Al = 3.1416(12 + 9)4
Al = 3.1416(21cm)4 cm
Al = 3.416(84 )
Al = 286.9
Incluimos el área del tronco inferior, pues el superior está abierto
At = π
At = 3.1416*
At = 3.416 *
At = 254.47
El area total a pintar será
Atotal = 10(2(Al) + 2(At))
Attotal = 10(2( 286.9 )+2(254.47 ))
Atotal = 10()
Atotal = 10(1082.74 )
Atotal =
V = 1385.28
Atotal =
Espero este bien explicado