Where Are the Congruent Halves?

The article focuses on the activity of creating two polygons from one polygon by applying the knowledge of congruency and spatial reasoning. It mentions that the activity present polygons in which the readers are encouraged to find the congruent shapes from the given polygons by studying the shapes and features of the image. It says that readers require to use its spatial skills in which involve the ability to reason and think through manipulation, transformation, and comparison of pictures.