Respuesta :

1800----------------------
SA=2(LW+LH+WH)
L=length
W=width
H=height

given
just assign values
L=15
W=12
H=10
SA=2(15*12+15*10+12*10)
SA=2(180+150+120)
SA=2(450)
SA=900
the surface area is 900 square centimeters
RELAXING NOICE
Relax