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.
2 comments:
Nice job with the cone Ed.
Songhai
The cone on the solution sheet is much better. Even better is the real Mathematica 3D rotatable cone with opacity and specularity. I apparently used some new feature that cannot be rendered in the free Mathematica Player.
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