If we try to reflect the polygon provided, we must observe the distance between the original point and the straight line. In this case, the line of reflection is given by
![f(x)=y=-x-3](https://img.qammunity.org/2023/formulas/mathematics/college/li19s3smvxs3t68ejkao1fym053hvuy8os.png)
The rule of reflection is going to be
![(x,y)\rightarrow(-y-3,-x-3)](https://img.qammunity.org/2023/formulas/mathematics/college/arnouf5seg36eqt016kl9noioi7re2nkww.png)
Taken into count that the original point of A is (1,1), its reflection is going to be (-4,-4)