Terry Tam – 資源 – GeoGebra

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認識 GeoGebra App

檢視所有課程資源

認識 GeoGebra App

Petr-Douglas-Neumann Theorem
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Terry Tam
Terry's Maths Collections
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Terry Tam
What is the length of the side of equilateral triangle?
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Terry Tam
Equilateral Triangle on 3 Concentric Circles
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Terry Tam
Shortest-perimeter Inscribed Triangle
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Terry Tam
Why same areas? (3)
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Terry Tam
Why same areas? (2)
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Terry Tam
Why same areas?
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Terry Tam
Intersecting Chords Theorem and Secant-Tangent Theorem
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Terry Tam
Why ratio difference is the same?
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Terry Tam
Why 6 points are concyclic?
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Terry Tam
Why parallelogram is always formed?
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Terry Tam
Napoleon Equilateral Triangles
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Terry Tam
Ptolemy Theorem
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Terry Tam
Obtaining Fractions via Folding Paper
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Terry Tam
Incircle and Excircles
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Terry Tam
Inner/Outer Triangles
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Terry Tam
Viviani's Theorem
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Terry Tam
QM-AM-GM-HM Inequality
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Terry Tam
How to copy a line segment with a collapsing compass?
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Terry Tam
All about Pythagoras theorem...
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Terry Tam
Why always a circle tangent?
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Terry Tam
Where am I?
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Terry Tam
Morley Equilateral Triangles
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Terry Tam