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Outline
Special Lines and Centres of triangles
Empirical Explorations
Soft Construction Exploration
Special Lines
Miscellaneous
3D
More Online Resources
Special Lines and Centres of triangles
Author:
GeoGebra Institute of Hong Kong
,
Arthur Lee
Topic:
Geometry
Special Lines and Centres of Triangles
Table of Contents
Empirical Explorations
Lines in a Triangle
Centres in a Triangle
Soft Construction Exploration
Circumcircle of a triangle (Soft Construction)
Incircle of a triangle
Trisecting a Triangle
Circle Passing Through Three Non-collinear Points 通過不共線三點的圓
Napolean Point
Special Lines
triangle fold
bisector of a triangle
River excursion
Miscellaneous
Special Lines & Centres of Triangles 三角形的特殊線和中心
Quiz on Special Lines in Triangles 三角形內的特殊線：測驗
Quiz on Centres of Triangles 三角形的中心：測驗
perpendicular bisectors
where perpendicular bisectors intersect
perpendicular bisectors and angles
6 mid-points
3D
dumpling model
Tetrahedron Net (general)
Centroid of tetrahedron (I)
Centroid of tetrahedron (II)
Circumcenter of tetrahedron
Incenter of tetrahedron
Making of tetrahedron with given insphere
More Online Resources
orthocentre coordinates
Centres of data / triangles
introduce Voronoi diagram in Desmos
Next
Lines in a Triangle
New Resources
The 3D Space
Difference engine Babbage vb 2
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
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အခြေခံ data အခေါ်အဝေါ်များ
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