Four pairs of shapes are shown where pair 1 has a kite shape and rhombus, pair 2 has two same shapes, pair 3 has two rectangles of different width, and pair 4 has two equal overlapping triangles. Which pairs of polygons are congruent?
a) Pairs 1, 2, 3, and 4
b) Pairs 1 and 4
c) Pairs 1, 2, and 3
d) Pairs 2 and 4
