Now,In cube there are two kind of Surface area that can be asked in a question. Total Surface Area ; Lateral Surface Area. The Total Surface area is the area of all the outer surface i.e. 6 in case of cube.The Surface Area of One side of cube i.e. One square is "a^2" or "a square" or "a*a". read more
In words, the surface area of a cube is the area of the six squares that cover it. The area of one of them is a*a, or a 2. Since these are all the same, you can multiply one of them by six, so the surface area of a cube is 6 times one of the sides squared. read more
Surface area of a cube To derive the formula of the surface area of a cube, you will need to start with a cube as shown below and call the length of one side a. read more