Interactive Mathematics Miscellany and Puzzles is a frequently updated site. Here are the most recent addtions. For other changes please visit the site. A shortish proof of Maxwell's theorem via the trigonometric form of Ceva's theorem http://www.cut-the-knot.org/triangle/MaxwellFromTrigCeva.shtml A square in parallel lines http://www.mathteacherctk.com/blog/2013/05/a-square-in-parallel-lines/ Area and Perimeter Splitters in a Triangle http://www.mathteacherctk.com/blog/2013/05/area-and-perimeter-splitters-in-a-triangle/ Probabilities in a Painted Cube http://www.mathteacherctk.com/blog/2013/05/probabilities-in-a-painted-cube/ Cutting Triangle in Two by a Line through a Point http://www.cut-the-knot.org/Curriculum/Geometry/GeoGebra/HalvedArea.shtml e in the Pascal Triangle http://www.cut-the-knot.org/arithmetic/algebra/HarlanBrothers.shtml Applying Daniel Dennett's New Book http://www.mathteacherctk.com/blog/2013/05/applying-of-daniel-dennetts-new-book/ a formula for the length of a median in terms of side lengths is derived via the Parallelogram Law http://www.cut-the-knot.org/triangle/LengthOfMedian.shtml François Viète's Reduction of CCC to PCC http://www.cut-the-knot.org/Curriculum/Geometry/GeoGebra/CCC-Viete.shtml LCC: Apollonius' Problem with Two Circles and a Line http://www.cut-the-knot.org/Curriculum/Geometry/GeoGebra/LCC.shtml