Khan Academy
Khan Academy: Similarity and Transformations
Given two polygons, try to map one onto the other using angle-preserving transformations, and determine whether they are similar. Transformations are done in "intuitive mode." Students receive immediate feedback and have the opportunity...
Khan Academy
Khan Academy: Similarity and Transformations
In this exercise, students determine whether two polygons are similar. Students receive immediate feedback and have the opportunity to watch a video, get hints, or try questions repeatedly.