The symmetry of a trangle on the coordinate plane is discovered through the 2X2 matrix transformations.
Before the Activity
Students should have access to either the TI-83 or TI-84 family of calculators.
During the Activity
This Word Document is a step by step procedure to transform an acute triangle by multiplication of matrices.
After the Activity
Review student results:
As a class, discuss questions that appeared to be more challenging
Re-teach concepts as necessary