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Golden ratio in regular icosahedron
Author:
Mathieu Blossier
Golden ratio in regular icosahedron (see colored rectangles)
New Resources
Blank 2 frames
SIR-model
Rectangle Action!
Test Q4(ii)
Area of a Triangle Demonstration
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CCGPS CA 1.1.3 Example 3
GeoGebra Calculator
Tessellation Project
Properties of the ratio of areas of triangles
Right angled triangle in a circle
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Equations
Set Theory
Kite
Conic Sections
Surface