PRE-HEALTH_Center of Rotation for a Tooth
Instructions
- Move the teeth using the A, A', B, B' points. The unprimed points represent its original position and the primed points represent its new position.
- Drag the black and red dotted lines to help construct the center of rotation. The angle and midpoints are shown.
- Press “cycle hints” for the next construction step.
- Press "animation" to see how the tooth moves from the unprimed to primed positions.
- Guess the center of rotation by dragging the green point.
- Click “submit” to check your answer and check its accuracy.
- Click “reset” to hide the center of rotation and all construction hints.
Created by Lewis Hicks and Priya Jamkhedkar at Portland State University.