Question

What shape should be need to cut on a folded square sheet of paper such that when unfolded, the cut out obtained is a square of length 4 cm ?

Answer 1

The figure that needs to be cut on a folded square sheet, to obtain a square is supposed to be a reactangle. The length and breadth of the rectangle is to be 4 cm and 2 cm respectively. The length is supposed to run along the folded crease, distanced 2 cm away from it.
In other words, the breadth should run upto 2 cm, perpendicular to the crease and the length is supposed to be 4 cm parallel to the crease.