1 / 9

NETS

NETS. 3-D. NET. PRISM. Definition: Polyhedron w/ 2 Cong. Bases ( Polygons ). Number of Vertices: 2 * (# of edges of a base) Number of Edges: 3 * (# of edges of a base) Number of Faces: 2 + (# of edges of a base). 3-D. NET. CYLINDER. Definition: C. S. Solid w/ 2 Cong. Bases

cooper-delaney
Download Presentation

NETS

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. NETS

  2. 3-D NET PRISM Definition: Polyhedron w/ 2 Cong. Bases (Polygons) Number of Vertices: 2* (# of edges of a base) Number of Edges: 3* (# of edges of a base) Number of Faces: 2+ (# of edges of a base)

  3. 3-D NET CYLINDER Definition: C. S. Solid w/ 2 Cong. Bases (Circles) Number of Vertices: 0 Number of Edges: 0 Number of Faces: 0

  4. 3-D NET PYRAMID PYRAMID Definition: -Polyhedron w/ 1 Base (Polygons) & -Lateral Faces going from the Base to the Apex Number of Vertices: 1+ (# of edges of a base) Number of Edges: 2* (# of edges of a base) Number of Faces: 1+ (# of edges of a base)

  5. 3-D NET CONE Definition: -C.S.S. w/ 1 Base (Circle) & -Lateral Surface going from the Base to the Apex Number of Vertices: 1 Number of Edges: 0 Number of Faces: 0

  6. Nets of Spheres & Hemispheres 3-D NET DO NOT EXIST PYRAMID PYRAMID Definition: -Polyhedron w/ 1 Base (Polygons) & -Lateral Faces going from the Base to the Apex Number of Vertices: 1+ (# of edges of a base) Number of Edges: 2* (# of edges of a base) Number of Faces: 1+ (# of edges of a base) These are NOT Nets; They are Projections (Distortions)

  7. 3-D NET CONE Definition: -C.S.S. w/ 1 Base (Circle) & -Lateral Surface going from the Base to the Apex Number of Vertices: 1 Number of Edges: 0 Number of Faces: 0 They distort the features closer to the Poles because mapmakers cannot use a true “Net” of the world In reality, Greenland is NOT the same size as South America!

  8. Website’s URLs that were used • Prisms & Pyramids: http://www.learner.org/interactives/geometry/3d_pyramids.html • Cylinders: • http://www.youtube.com/watch?v=xjksDmSROek • Cones: • http://www.youtube.com/watch?v=z2_B7ICWTCk • Spheres& Hemispheres • http://en.wikipedia.org/wiki/Map_projection • http://www.worldpress.org/map.cfm

More Related