Select the option figure which is NOT embedded in figure X as its part (rotation is NOT allowed)

Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e.
.
The figure in option 2 is embedded in the given figure, as shown below:

The figure in option 3 is embedded in the given figure, as shown below:

The figure in option 4 is embedded in the given figure, as shown below:

The figure in option 1 is not embedded in the given figure.
Hence, option 1 is the correct answer.