Respuesta :

Answer:

2776 is the surface area.

Step-by-step explanation:

19 x 48 = 912 x 2 = 1824. 7 x 19 = 133 x 2 = 266. 49 x 7 = 343 x 2 = 686.

Answer:

2762

Step-by-step explanation:

The formula is:
2*(width*length+height*lenght+height*width)
2*(19*48+7*48+7*19)

this equals 2762