Step-by-step explanation:
When you rotate points of a figure 180° about the origin, every x-value and y-value is switched to its negative.
For example, (x, y) => (-x, -y).
E(1, 2) => E'(-1, -2)
F(1, 3) => F'(-1, -3)
G(4, 3) => G'(-4, -3)
H(4, 2) => H'(-4, -2)