rotation 180° about the originK(-3, 2), L(1, 4), M(1, 2)A) K(-1.5, 1), L (0.5, 2), M(0.5, 1)B) K(3,-2), L(-1,-4), M(-1,-2)C) K1-3, -3), L (1, -1), M(1, -3)D) K(-0.75, 0.5), L(0.25, 1), M(0.25, 0.5)