Geometric Construction 14


This configuration was found in the Japanese temple. Make a dynamic animation out of it.


This configuration was found in the Japanese temple. Make a dynamic animation out of it.


Construct the pentagon, given the midpoint of each of its sides.


The following question is taken from I.M. Yaglom, Geometric Transformation III, p. 15. Is there anything wrong?


Construct a linkage to draw the lemniscate after this design:


Decompose an equilateral triangle into four pieces and reassemble them into a square.


Given two acute triangles S and T, show that each can be decomposed into three pieces
S = S1 U S2 U S3
T = T1 U T2 U  T3
so that Si is similar to Ti for i = 1,2,3.