Polya 2024

Author:
Arthur Lee
Topic:
Triangles
This is a construction based on a famous problem from George Polya in his book "How to Solve It". Use of dynamic geometry for this investigation is discussed in an article: Lopez-Real, F. (2006). A New Look at a Polya Problem. Mathematics Teaching Incorporating Micromath196, 12-15.
Drag B to find out how the square varies. Can you describe the path of D? Turn on 'trace' for the point D to find out more.
The finding above could explain how a square can be inscribed in a triangle as shown below.

My introduction in Cantonese: