メインコンテンツ | サブコンテンツ | ||||
---|---|---|---|---|---|
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 |