Four Construction Problems
Library Home 
Full Table of Contents 
Suggest a Link 
Library Help
http://www.maa.org/editorial/knot/GenCon.html  


Cut the Knot!, Alexander Bogomolny  
Construct a triangle, given the three points in the plane that are the outer vertices of equilateral triangles constructed outward on the sides of the desired triangle. Construct a triangle, given the three points in the plane that are the centers of squares constructed outward on the sides of the desired triangle. Construct a heptagon (polygon of 7 sides), given the seven points that are the midpoints of its sides. With an applet to help solve the general problem.  


Levels:  High School (912), College 
Languages:  English 
Resource Types:  Problems/Puzzles, Articles, Web Interactive/Java 
Math Topics:  Constructions, Triangles and Other Polygons, Transformational Geometry 
[Privacy Policy] [Terms of Use]
© 19942014 Drexel University. All rights reserved.
http://mathforum.org/
The Math Forum is a research and educational enterprise of the Drexel University School of Education.