Inner length of box = 4 cm
Breadth = 4 cm , Height =4 cm
Capacity of the box = 4 x 4 x 4 = 64 cu.cm
Volume of a cube of side 2 cm = 2 x 2x 2 = 8cu.cm.
Number of small cubes that can be stacked in the big box = 648 = 8
A cube of side 5 cm is painted on all its faces. If it is sliced into 1 cubic centimetre cubes, then how many 1 cubic centimetre cubes will have exactly one of their faces painted?
(a) 27
(b) 42
(c) 54
(d) 142
Two sides of a parallelogram are of length 6 centimetres and 4 centimetres and the angle between them is 35°. What are the lengths of its diagonals?