GeoGebra
GeoGebra
Home
News Feed
Resources
Profile
People
Classroom
App Downloads
Golden ratio in regular icosahedron
Author:
Mathieu Blossier
Golden ratio in regular icosahedron (see colored rectangles)
GeoGebra
New Resources
Volume of a Pyramid (Derivation)
Transformation of curves
Rings of circles
Converting Percentages to Decimals
Thin Slice: Using Trig Ratios to Solve for Sides of Right Triangles
Discover Resources
Area of a Trapezium
Reflections in the Coordinate Plane
estimate pi...
Angle between Two Planes in a Square Pyramid 正四角錐中兩平面間的交角
voronoi summative DIAGRAM
Discover Topics
Cosine
Arithmetic Operations
Difference and Slope
Addition
Isosceles Triangles