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Typical examples of GC

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sample01 Relationship of interior angle
Triangle



Quadrangle



Pentagon



Quadrangle



Pentagon


sample02 Quadrangle→Quadrangle
To connect vertexes



Making by bisector of corner



Making by perpendicular bisector



Making by foot of perpendicular


sample03 various points
Development of the wilderness



To equate areas



To equate angles


sample04 Equating
Area of triangle



Area of triangle (2)



Angle of corner


sample05 Can you make?
To make isosceles triangle



To make square


sample06 Theorem
Theorem of incribed angles



Two middle points theorem


sample07 Alternative of real thing
Swing



Swing (2)



Wiper of bus



Trisection machine of corner?


sample08 Complex Number
Exploring change



Forming



Forum of Gemetric Constructor by Y.Iijima