Respuesta :
Answer:
The answer is 240
Step-by-step explanation:
So since your trying to find the area of 12ft, 4ft, and 5ft you have to multiply them all. So 12x4= 48x5= 240.
Hope this helps :)
Answer: surface area = 240 ft^3
Step-by-step explanation:
Assuming you are talking about the surface area of a rectangular prism, the surface area equation for rectangular prisms is SA = l x w x h (surface area = length x width x height). You multiply 12 by 4 by 5 to get your answer.