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Outline
(draft) Special Lines and Centres of triangles
soft construction exploration
special lines
miscellaneous
3D
more online resources
(draft) Special Lines and Centres of triangles
Author:
Arthur Lee
Topic:
Geometry
Special Lines and Centres of Triangles
Table of Contents
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
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
Circumcircle of a triangle (Soft Construction)
New Resources
van Aubel's Theorem
Bottema's Theorem
Linear Cross Section Exercise
Parallel or Not? (V2)
Odd or Even
Discover Resources
Питагорова тройка 3-4-5.
Jeff's book
Wallace 1st Period
GrantzReflections
Théorème de Thalès
Discover Topics
Orthocenter
Area
Median Line
Intersection
Rational Numbers