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GeoGebra
GeoGebra Classroom
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
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)
more online resources
orthocentre coordinates
Centres of data / triangles
Next
Lines in a Triangle
New Resources
Icosahedron1
Quiz: Finding Average Rate of Change
Variation Theory Parallelogram Proofs
Tutorial: Create lists of numbers and objects
Exploring the Derivative of a Quadratic Function
Discover Resources
Posevni met
Interactive Left and Right Hand Limits
findFunctProperties
Act 9 Create Your Own Rotation
TRANSLASI
Discover Topics
Diagrams
Real Numbers
Median Value
Cuboid
Limits