Our February 3, 2009 PSSA math challenge problem winner is Tiffany Swan-Henley. This geometry problem tested your 3D visual abilities, by rotating (or revolving) a triangle about a fixed x-axis to result in a cone. Answer is A.- The problem.
- The problem and solution.
- Tiffany Swan-Henley's solution.
- Tiffany Swan-Henley won a free dress-down day.
