The image of ABC after a rotation 270° about the origin is GHI , as shown .

Triangle ABC is rotated 270 degrees about the origin, and thereafter is shown as triangle GHI.
Therefore;
[tex]\begin{gathered} \text{ABC}\cong GHI \\ \angle I\cong\angle C \\ \text{Also;} \\ BC\cong HI \end{gathered}[/tex]In part A, the correct answer is option 2
In part B, the correct answer is option 2