Respuesta :
area = base x heights so you multiply all the sides together.
Top and Bottom Surface = 2(Length x Width)
4 Lateral Surface = 2(Length + Width) x Height
So, Surface area = 2(Length x Width) + 2(Length + Width) x Height
4 Lateral Surface = 2(Length + Width) x Height
So, Surface area = 2(Length x Width) + 2(Length + Width) x Height