Surface Area Apply Sample Work.
first one is the box has 9in on the right side
1 Determine the area of one face of the cube____
2 Determine the total surface area of the cube_____
1. One face of the cube has a side length of 9 inches, so the area of one face is 9 * 9 = 81 square inches.
2. Since a cube has 6 identical faces, the total surface area of the cube is 6 * 81 = 486 square inches.