One side of a cube has an area of 25 centimeters squared. what is the surface area of the cube?

A cube has all equal sides, so every face in the cube is just a square, if the area of one of those square is 25 cm², that simple means,



now, look at the picture below, a cube is really just 6 squares stacked up to each other at the edges, in this case, all 6 squares are 5x5.

so, simply get the area of all of them, and sum them up, and that's the surface area of the cube.

(5*5)+(5*5)+(5*5)+(5*5)+(5*5)+(5*5).