Rule for a 270| clockwise rotation:
[tex]P(x,y)\rightarrow P^{\prime}(-y,x)[/tex]For the figure A'B'C'D':
[tex]\begin{gathered} A(1,-1)\rightarrow A^{\prime}(1,1) \\ B(6,-1)\rightarrow B^{\prime}(1,6) \\ C(6,-3)\rightarrow C^{\prime}(3,6) \\ D(1,-2)\rightarrow D^{\prime}(2,1) \end{gathered}[/tex]Answer: Coordinates of A'B'C'D' are A'(1,1) B'(1,6) C'(3,6) D'(2,1). Option B.
