Shape
Copyright David & Cynthia Thomas, 2009
Transformation Geometry--Directed Activity: Translation
The directed activities in this sectionprovide a context in which to investigate how transformations are represented and computed in coordinate geometry relative to …
· Translations
· Reflections
Focus |
Translation using coordinate geometry |
Technologies |
5 mm grid paper, The Geometers Sketchpad and the model 5_Translations.gsp |
Background |
Figure 5.22 shows ΔABC and three slides arrows corresponding to three translations, m, n, and o.
Figure 5.22: Translations |
Tasks |
· Using coordinate geometry and 5 mm grid paper, find the image of ΔABC (i.e., give the coordinates of the vertices) under translation.
§ First m, then n, then o § First n, then m, then o § First o, then m, then n
· Check your findings using The Geometers Sketchpad, an the model 5_Translations.gsp |