maths
posted by tabitha .
a 10cm multiplied 10cm multiplied 10cm wooden block is painted red n all of it face. it is then cut into cubes, 10cm on each edge solve

Solve what? What difference does the color make?
A 10 x 10 x 10 cm cube cannot be cut into smaller cubes with 10 cm on and edge. You only have one of them.
Perhaps you copied the question incorrectly. 
IF YOU HAVE A RECTANGULAR PICTURE 8CM X 10CM, CAN YOU PUT A 18CM STRING AROUND IT TO MAKE A FRAME?