Problem of the Week

Chapter 1	The Supernova The Moving Dominoes	Answer Answer
Chapter 2	The Shortest Distance A Domino Knot	Answer Answer
Chapter 3	The Extra Square T-Squares	Answer Answer
Chapter 4	A Möbius Trisection Checks Into Stripes	Answer Answer
Chapter 5	The Amazing Triangle Are All Triangles Isosceles? The Divisible V	Answer Answer Answer
Chapter 6	The Work Problem Pythagoras Without Squares A Square Proof	Answer Answer Answer
Chapter 7	An Eight-Point Star A Construction for Pi	Answer Answer
Chapter 8	One Into Three The Nine Puzzle	Answer Answer
Chapter 9	A Logarithmic Spiral The Nine-Part Triangle	Answer Answer
Chapter 10	Square Assembly Squaring a Greek Cross	Answer Answer
Chapter 11	Miquel's Theorem Aristotle's Wheel	Answer Answer
Chapter 12	The Curious Cube The Cuboctahedron Planar Pentominoes	Answer Answer Answer
Chapter 13	Pythagoras in 3-D Truncated Polyhedra The Titled Ellipse	Answer Answer Answer
Chapter 14	An Inscribed Circle Circular Tangrams	Answer Answer
Chapter 15	The Intersecting Circles The Gothic Window	Answer Answer
Chapter 16	The Two Crescents Tessellated Polygons	Answer Answer