Google Classroom
GeoGebraGeoGebra Classroom

Plato's Octahedron (AIR) Tetrahedron (FIRE) and Icosahedron (WATER)

Demonstrating how to create an Octahedron using GeoGebra 3D

Instructions in Creating an Octahedron using GeoGebra 3D

Number of faces

1. How many faces does an octahedron have?

Wähle alle richtigen Antworten aus
  • A
  • B
  • C
  • D
Antwort überprüfen (3)

Number of Triangles

2. How many triangles are there in the net of an octahedron?

Wähle alle richtigen Antworten aus
  • A
  • B
  • C
  • D
Antwort überprüfen (3)

Components of an Octahedron

3. How many edges, vertices, and face does an octahedron have?

Wähle alle richtigen Antworten aus
  • A
  • B
  • C
  • D
Antwort überprüfen (3)

Symbolic Meaning of an Octahedron

4. What does an octahedron represent as a Platonic solid?

Wähle alle richtigen Antworten aus
  • A
  • B
  • C
  • D
Antwort überprüfen (3)

Study the GeoGebra Code and Create Tetrahedron and Icosahedron Platonic Solids

Instruction
  1. Study the provided GeoGebra code carefully to understand the construction process.
  2. Use GeoGebra to create the Tetrahedron and Icosahedron Platonic solids.
  3. Observe the completed solids and analyze their structure.
Additional Task
  • Determine the following for each Platonic solid:
    • Number of triangular faces
    • Number of edges
    • Number of vertices (points)
snippet from ChatGPT

Comparing a Tetrahedron and a Triangular Pyramid

What is the difference between a Tetrahedron and a Triangular Pyramid?

Wähle alle richtigen Antworten aus
  • A
  • B
  • C
  • D
Antwort überprüfen (3)

Components of a Tetrahedron

2. What is the number of triangular faces, vertices, and edges for a Tetrahedron?

Wähle alle richtigen Antworten aus
  • A
  • B
  • C
  • D
Antwort überprüfen (3)

Components of an Icosahedron

What is the number of triangular faces, vertices, and edges for an Icosahedron?

Wähle alle richtigen Antworten aus
  • A
  • B
  • C
  • D
Antwort überprüfen (3)

Representation of Tetrahedron

What element is represented by the Tetrahedron in classical philosophy?

Wähle alle richtigen Antworten aus
  • A
  • B
  • C
  • D
Antwort überprüfen (3)

Representation of Icosahedron

5. What element is represented by the Icosahedron in classical philosophy?

Wähle alle richtigen Antworten aus
  • A
  • B
  • C
  • D
Antwort überprüfen (3)

Formula when relating vertices (V), edges (E), and faces (F)

Which of the following is the correct formula relating vertices (V), edges (E), and faces (F) of a convex polyhedron?

Wähle alle richtigen Antworten aus
  • A
  • B
  • C
  • D
Antwort überprüfen (3)

To calculate the number of vertices (V) of a Platonic solid, which of the following formulas can be used based on the number of faces (F)?

Wähle alle richtigen Antworten aus
  • A
  • B
  • C
  • D
Antwort überprüfen (3)