Answer:
See answers below
Explanation:
Volume of the box = length * width * height
Volume of the box = 15 * 12 * 20
Volume of the box = 300 * 12
Volume of the box = 3600 cubic cm
Area of rectangle = Length * Width
Area of rectangle A = 20cm * 12cm
Area of rectangle A = 240sq.cm
Area of rectangle B = 15cm * 20cm
Area of rectangle B = 300 sq.cm
Area of rectangle C = 15cm * 12cm
Area of rectangle C = 180 sq.cm