How do you find the surface area of a box

Step-by-step explanation:

How to find the surface area of Rectangular Prisms:

Find the area of two sides (Length*Height) * 2 sides.

Find the area of adjacent sides (Width*Height) * 2 sides.

Find the area of ends (Length*Width) * 2 ends.

Add the three areas together to find the surface area.

Example: The surface area of a rectangular prism 5 cm long, 3 cm.