Title | Description | Thumbnail Image | Curriculum Topics |
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## Closed Captioned Video: Geometry Applications: 3D Geometry |
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## DescriptionIn this program we explore the properties of three-dimensional figures. We do this in the context of two real-world applications. In the first, we look at the three-dimensional structure of Mayan pyramids. These stair-step structures provide a unique opportunity to also explore sequences and series. |
3-Dimensional Figures | |

## Closed Captioned Video: Geometry Applications: 3D Geometry, Segment 1: Introduction. |
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## DescriptionWe visit ancient Greece to learn about the Platonic Solids. This provides an introduction to the more general topic of three-dimensional figures. This video includes a video transcript: |
3-Dimensional Figures | |

## Closed Captioned Video: Geometry Applications: 3D Geometry, Segment 2: Pyramids |
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## DescriptionRectangular Prisms. Mayan pyramids are essentially stacks of rectangular prisms. The volume of each successive level is a percentage decrease of its lower neighbor. This introduces the notion of a geometric sequence and series, including an infinite series. A Video Transcript is available for this tutorial. |
3-Dimensional Figures, Pyramids | |

## Closed Captioned Video: Geometry Applications: 3D Geometry, Segment 3: Cylinders |
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## DescriptionThe Shanghai Tower in China is a stack of cylindrical shapes, where each successive layer is a percentage decrease of its lower neighbor. As with the previous section, this introduces the notion of a geometric sequence and series. A Video Transcript is available for this tutorial. |
3-Dimensional Figures, Cylinders | |

## Definition--3D Geometry Concepts--Antiprism |
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## Definition--3D Geometry Concepts--AntiprismThis is a collection of definitions related to 3D figures and their properties. This includes definitions and examples of 2D nets of 3D figures, as well as 2D cross-sections of different 3D figures. |
3-Dimensional Figures | |

## Definition--3D Geometry Concepts--Apex |
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## Definition--3D Geometry Concepts--ApexThis is a collection of definitions related to 3D figures and their properties. This includes definitions and examples of 2D nets of 3D figures, as well as 2D cross-sections of different 3D figures. |
3-Dimensional Figures | |

## Definition--3D Geometry Concepts--Base (Geometry) |
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## Definition--3D Geometry Concepts--Base (Geometry)This is a collection of definitions related to 3D figures and their properties. This includes definitions and examples of 2D nets of 3D figures, as well as 2D cross-sections of different 3D figures. |
3-Dimensional Figures | |

## Definition--3D Geometry Concepts--Cone |
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## Definition--3D Geometry Concepts--Cone |
Cones | |

## Definition--3D Geometry Concepts--Cross-sections of a Cube |
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## Definition--3D Geometry Concepts--Cross-sections of a Cube |
Cubes | |

## Definition--3D Geometry Concepts--Cross-Sections of a Sphere |
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## Definition--3D Geometry Concepts--Cross-Sections of a Sphere |
Spheres | |

## Definition--3D Geometry Concepts--Cube |
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## Definition--3D Geometry Concepts--Cube |
Cubes | |

## Definition--3D Geometry Concepts--Cylinder |
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## Definition--3D Geometry Concepts--Cylinder |
Cylinders | |

## Definition--3D Geometry Concepts--Edge |
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## Definition--3D Geometry Concepts--Edge |
3-Dimensional Figures | |

## Definition--3D Geometry Concepts--Face |
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## Definition--3D Geometry Concepts--Face |
3-Dimensional Figures | |

## Definition--3D Geometry Concepts--Horizontal Cross-Sections of a Cone |
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## Definition--3D Geometry Concepts--Horizontal Cross-Sections of a Cone |
Cones | |

## Definition--3D Geometry Concepts--Horizontal Cross-Sections of a Cylinder |
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## Definition--3D Geometry Concepts--Horizontal Cross-Sections of a Cylinder |
Cylinders | |

## Definition--3D Geometry Concepts--Horizontal Cross-Sections of a Square Pyramid |
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## Definition--3D Geometry Concepts--Horizontal Cross-Sections of a Square Pyramid |
Pyramids | |

## Definition--3D Geometry Concepts--Horizontal Cross-Sections of a Triangular Prism |
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## Definition--3D Geometry Concepts--Horizontal Cross-Sections of a Triangular Prism |
Triangular Prisms | |

## Definition--3D Geometry Concepts--Net |
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## Definition--3D Geometry Concepts--Net |
3-Dimensional Figures | |

## Definition--3D Geometry Concepts--Net for a Cube |
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## Definition--3D Geometry Concepts--Net for a Cube |
Cubes | |

## Definition--3D Geometry Concepts--Net for a Dodecahedron |
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## Definition--3D Geometry Concepts--Net for a Dodecahedron |
3-Dimensional Figures | |

## Definition--3D Geometry Concepts--Net for a Pyramid |
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## Definition--3D Geometry Concepts--Net for a Pyramid |
Pyramids | |

## Definition--3D Geometry Concepts--Net for a Rectangular Prism |
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## Definition--3D Geometry Concepts--Net for a Rectangular Prism |
Rectangular Prisms | |

## Definition--3D Geometry Concepts--Net for a Tetrahedron |
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## Definition--3D Geometry Concepts--Net for a Tetrahedron |
3-Dimensional Figures | |

## Definition--3D Geometry Concepts--Net for a Triangular Prism |
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## Definition--3D Geometry Concepts--Net for a Triangular Prism |
Triangular Prisms |