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GeoGebra
GeoGebra Classroom
Outline
Shapes 3D
Solids
Symmetry
Nets
Sections
Projection
Surface
Volume
Dumpling models
Shapes 3D
Author:
Arthur Lee
Solids and 3D geometry
Table of Contents
Solids
3D Pythagorean Theorem
Folding Aeroplane (HKCEE 1999 )
Coxeter's Kaleidoscopic Cell 1
Spherical Lines: Great Circles
Parabola Around y-Axis
Cube and Tetrahedron
cube in dodecahedron
Symmetry
Rotational Symmetry of Cube
Rotational Symmetry of Tetrahedron
Rotational Symmetry of Octahedron
Rotational Symmetry of Icosahedron
Rotational Symmetry of Dodecahedron
Nets
Nets of the Cube
11 Nets of the Cube
Net of Hexagonal Prism
Nets of Tetrahedron
Net of Icosahedron
Net of Dodecahedron
Another Net of Dodecahedron
Octahedron and Boat
The Quadratic Pyramid
Sections
Exploring Sections of Cubes
Sections of Rectangular Prisms (Cuboids)
Sections of Triangular Prisms
Sections of Rectangular Pyramids
Sections of Triangular Pyramids
Projection
projection of a segment
opening a door
box diagonal
Shadow
Projection of a Sphere - Central Projection
Surface
Curved Surface Area of Cones (Parametric Curved Surface)
Surface Area of Spheres
Curved Surface Area of Cones
Curved Surface Area of Cones (Combined Version)
Making a cone
Volume
equal cross sections
three tetrahedrons
tisect a cube
opening a cube
cutting a sphere
section of sphere
section of cone
Kugelvolumen - Cavalieri
Volume of Spheres
A sphere in a cylinder.
maximum cone
Dumpling models
dumpling model
Tetrahedron Net (general)
tetrahedron unfold
The Dumpling Challenge (inspired by Arthur Lee)
The Dumpling Challenge II
The Dumpling Challenge III
The Final Dumpling Challenge
Next
3D Pythagorean Theorem
New Resources
רישום חופשי
အခြေခံ data အခေါ်အဝေါ်များ
Noisy loop
'Einstein' tile vitral
A Happy Polar Leaf
Discover Resources
Distance Formula App
Reflection over Parallel lines
Steiner Circles of the 2nd kind
Strahlensätze - LEHRERVERSION
Discover Topics
Pie Chart or Circle Chart
Binomial Distribution
Upper and Lower Sum or Riemann Sum
Logic
LCM and GCD
