Respuestas

2013-05-30T07:23:12+02:00
A = Ab + Al
A = 2 Π r2 + 2 Π r 55
A = 2 Π ( r2 + r 55 ) 
A = 2 Π r ( r + 55 ) = 346
v = 
Π.r2.h = 172.7