Drexel dragonThe Math ForumDonate to the Math Forum

The Math Forum Problems Library

The Rolling Triangle

_____________________________________
Library Home || Math Fundamentals || Pre-Algebra || Algebra || Geometry || Discrete Math || Trig/Calc
_____________________________________

(membership required) || Become a Member || Learn about Membership
-____________________________________

Author: Annie Fetter
Description: teacher support active problem Geometry, difficulty level 3. Equilateral triangle ABC sits on top of unit square DEFG so that AC is coincident with DE. The triangle is rotated around the outside of the square until it returns to the top edge. How far did point A travel?

Please Note: Use of the following materials requires membership. Please see the Problem of the Week membership page for more information.
 
Problem page: http://mathforum.org/librarypow/puzzles/index2.ehtml?puzzle=3375
Support page: http://mathforum.org/pow/support/geopow/20050404geo.teacher.html
Solution page: Problem #3375

[Privacy Policy] [Terms of Use]

_____________________________________
Home || The Math Library || Quick Reference || Search || Help
_____________________________________

© 1994-2008 Drexel University. All rights reserved.
http://mathforum.org/
The Math Forum is a research and educational enterprise of the Drexel School of Education.The Math Forum is a research and educational enterprise of the Drexel School of Education.