Example 4

Rotate the given figure 45˚ counterclockwise about the origin. [i]Note[/i]: Drag points [math]A[/math], [math]B[/math], and [math]C[/math] to try different figures.

[list=1] [*]Create the angle of rotation for the first vertex. [*]Create the angle of rotation for the second vertex. [*]Create the angle of rotation for the third vertex. [*]Connect the rotated points. [/list] This applet is provided by Walch Education as supplemental material for their mathematics programs. Visit [url="http://www.walch.com"]www.walch.com[/url] for more information on their resources.