Copy of Counter-clockwise Rotation Exploration
Counter-clockwise Rotation Exploration
Drag the slider to watch triangle ABC rotate counter-clockwise.
1) Record the coordinates for triangle ABC. 2) Rotate triangle ABC 90 degrees counter-clockwise (drag the red slider). Record the new coordinates. 3) Rotate the triangle ABC 180 degrees counter-clockwise. Record the new coordinates.
90 rotation
What happened to the x and y coordinates ? What happened to their signs?
180 rotation
What happened to the x and y coordinates? What happened to their signs?