Two squares are joined to make a square of area 72 sq.cm. The small square's side is _____.
When two squares of the same size are joined to make a large square, find the length of the side of the large square.
The side fo a given square is 10 cm. The midpoints of its sides are joined to form a new square. Again, the midpoints of the sides of this new square are joined to form another square. This process is continued indefinitely. Find (i) The sum of the areas and (ii) The sum of the perimeters of the square.