Respuesta :

72 m is the surface area because you multiply L × W × H, which is 6 × 4 ×3 = 72

the total surface area =2(lb+bh+lh)

=2(6*3+3*4+6*4)

=2(18+12+24)

=2*54

=108 m^2

RELAXING NOICE
Relax