which pair or pairs of polygons are congruent ?

Answer:
E. 1, 2, 3, and 4
Step-by-step explanation:
Well all them are equal,
both rectangles in part 2 has a 3cm^2 area.
Both red and green in part 4 has 2 squares and 1 triangle or half of a square.
Both of part 3 have all the same shapes in them.
Same with part 1 both shapes have same area and perimeter.
Thus, answer choices E. 1,2,3, and 4 is correct.