625
Improved Answer:
There are 6 faces each having an area of 5*5 = 25 sq cm
6*25 = 150 sq cm
Subsequent edit: this not only an improved answer but the correct one!
Chat with our AI personalities
The cube's total surface area is 294cm2
The total surface area of a 100 by 100 cm cube is 60,000 square centimeters. Each smaller cube has a surface area of 6 square centimeters for a total of 6,000,000 square centimeters. This is a gain of 5,940,000 square centimeters.
10x10x6=600square centimeters
The surface area is 600 centimeters.
If it's 12 x 14 x 15, it's not a cube. The surface area of the object is 1116 square centimeters.