Question

Each side of a cube is 3 units. It is cut into cubes each of side 1 unit. What Is the total surface area of smaller cube this obtained

Answer 1

Step-by-step explanation:

no. of smaller cubes = volume of bigger cube/volume of smaller cube

=27/1

no. of smaller cubes=27

T.S.A of 1 smaller cube = 6 sq. unit

T. S. A of 27 such smaller cubes = 27*6= 162sq.unit