Answer:
516 cm squared
Explanation:
To find the surface area of a rectangular prism such as this, is basically just like finding the OUTSIDE surfaces. We are looking for the "perimeter" of a 3D shape.
How do we do it?
- Calculate each face of the prism by multiplying Length x Width.
- Make a shortcut by combining like-figures (front of the cube and back of the cube are the same surface areas, etc.)
- Make your formula
- 2(4 · 15) + 2(10 · 15) + 2(12 · 4)