Reflection in Two Dimensions
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This Demonstration allows you to explore some of the features of rotation in two dimensions. You can drag or add locators to change the shape of the object. You can also see lines joining vertices to their images. You can use a joystick controller to change the position of the mirror's handle and the slider to change the angle of the mirror line. This Demonstration is designed as a class activity, so by projecting the image on a whiteboard or an interactive board students can demonstrate their skill by predicting the position of any hidden object.
Contributed by: Sergio Hannibal Mejia (March 2011)
After work by: Roger Germundsson
Open content licensed under CC BY-NC-SA