The above figure is converted into a cube. Its four positions (1),(2),(3) and (4) are shown. On the basis of these select correct alternative.
In the figure shown, ABCD is a parallelogram. It is divided into triangles in such a way that ∠BEC=∠BCE. Which one of the following is correct?
Only 2
1, 2, 3
Only 1
Only 3