9.
如图,在平面直角坐标系中,\(\triangle ABC\)的三个顶点都在格点上,点\(A\)的坐标为\((2,2)\)请解答下列问题:
\((1)\)画出\(\triangle ABC\)关于\(y\)轴对称的\(\triangle A_{1}B_{1}C_{1}\),并写出\(A_{1}\)的坐标.
\((2)\)画出\(\triangle ABC\)绕点\(B\)逆时针旋转\(90^{\circ}\)后得到的\(\triangle A_{2}B_{2}C_{2}\),并写出\(A_{2}\)的坐标.
\((3)\)画出\(\triangle A_{2}B_{2}C_{2}\)关于原点\(O\)成中心对称的\(\triangle A_{3}B_{3}C_{3}\),并写出\(A_{3}\)的坐标.