Recent changes to Interactive Mathematics Miscellany and PuzzlesInteractive Mathematics Miscellany and Puzzles is a frequently updated site. Here are the most recent addtions. For other changes please visit the site.Deceptive AppearancesDeceptive Appearances
http://www.cut-the-knot.org/arithmetic/algebra/DeceptiveAppearances.shtml
Another Seven Circles Theorem, now with proofAnother Seven Circles Theorem, now with proof
http://www.cut-the-knot.org/m/Geometry/AnotherSevenCircles.shtml
Morley's Equilaterals, Spiridon A. Kuruklis' proofMorley's Equilaterals, Spiridon A. Kuruklis' proof
http://www.cut-the-knot.org/m/Geometry/Morley5.shtml
Backward Proof of Morley's Theorem by B. StonebridgeBackward Proof of Morley's Theorem by B. Stonebridge
http://www.cut-the-knot.org/triangle/Morley/sb3.shtml
Review of Coffee, Love and Matri xAlgebraReview of Coffee, Love and Matri xAlgebra
http://www.mathteacherctk.com/blog/2014/09/review-of-coffee-love-and-matrix-algebra/
Powers of 6 and 7771Powers of 6 and 7771
http://www.cut-the-knot.org/arithmetic/7771.shtml
With One WeighingWith One Weighing
http://www.cut-the-knot.org/blue/OneWeighing.shtml
Solutions of F(x)= xand F(F(x))=xSolutions of F(x)= xand F(F(x))=x
http://www.cut-the-knot.org/m/Algebra/EquationAndItsIterate.shtml
Review of Really Big NumbersReview of Really Big Numbers
http://www.cut-the-knot.org/books/Reviews/ReallyBigNumbers.shtml
Dijkstra's Proof of Morley's TheoremDijkstra's Proof of Morley's Theorem
http://www.cut-the-knot.org/triangle/Morley/Dijkstra.shtml