Réponses

2012-10-26T18:50:36+02:00

V(cube)=a³ et V(cylindre)=π(a/3)²a

V(solide)=V(cube)-V(cylindre)

=a³-π(a/3)²a

=a³-πa³/9

=a³(1-π/9)

=a³(9/9-π/9)

=(a³/9)(9-π)