111. On Bottema's Shoulders II

On Bottema's Shoulders II: in Bottema's theorem squares can be replaced with similar parallelograms
URL: http://www.cut-the-knot.org/Curriculum/Geometry/McWorter2.shtml - 23kb - 19 Jun 2006

112. Property of Angle Bisectors

Property of Angle Bisectors
URL: http://www.cut-the-knot.org/Curriculum/Geometry/AngleBisectorRatio.shtml - 23kb - 19 Jun 2006

113. Equidecomposition of a Rectangle and a Square

Equidecomposition of a Rectangle and a Square
URL: http://www.cut-the-knot.org/Curriculum/Geometry/SquareRectangle.shtml - 23kb - 19 Jun 2006

114. Five Lattice Points

Sites for teachers Sites for parents Terms of use Awards Interactive Activities CTK Exchange Games & Puzzles Arithmetic/Algebra Geometry Probability...
URL: http://www.cut-the-knot.org/Curriculum/Combinatorics/FiveLatticePoints.shtml - 23kb - 19 Jun 2006

115. Square Inscribed in Triangle

Square Inscribed in Triangle: construct a square inscribed into a given triangle
URL: http://www.cut-the-knot.org/Curriculum/Geometry/InscribedSquare2.shtml - 23kb - 19 Jun 2006

116. Two Circles and a Limit

Two Circles and a Limit
URL: http://www.cut-the-knot.org/Curriculum/Calculus/CirclesAndLimit.shtml - 23kb - 19 Jun 2006

117. Two Circles in a Square

Two Circles in a Square have a point of intersection on a diagonal
URL: http://www.cut-the-knot.org/Curriculum/Geometry/CirclesAndSquare.shtml - 23kb - 19 Jun 2006

118. Brianchon's theorem

Brianchon's theorem
URL: http://www.cut-the-knot.org/Curriculum/Geometry/Brianchon.shtml - 23kb - 19 Jun 2006

119. Construction of Paragon

Construction of Paragon: in any N-gon, N even, the N-gon formed by the barycenters N/2 successive vertices has opposite sides equal and parallel
URL: http://www.cut-the-knot.org/Curriculum/Geometry/Paragon.shtml - 23kb - 19 Jun 2006

120. Parallel Chords

A problem where having two Parallel Chords entails a third parallel line
URL: http://www.cut-the-knot.org/Curriculum/Geometry/ParallelChords.shtml - 23kb - 19 Jun 2006

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