Library Home || Full Table of Contents || Suggest a Link || Library Help
|Stephen E. Collins, Web 66|
|Why are man-hole covers round? Exploratory exercises.|
|Levels:||Middle School (6-8), High School (9-12)|
|Math Topics:||Triangles and Other Polygons|
© 1994- Drexel University. All rights reserved.
The Math Forum is a research and educational enterprise of the Drexel University School of Education.