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Identify Polyhedrons, Spheres, Cylinders and their parts

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Surface Area and Volumes Unit 5 1.1 and 1.2 Definitions Essential to Success Face Edge Vertex Polyhedron http://www.eduplace.com/math/mw/models/overview/5_17_1.html ... – PowerPoint PPT presentation

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Title: Identify Polyhedrons, Spheres, Cylinders and their parts


1
Identify Polyhedrons, Spheres, Cylinders and
their parts
  • Surface Area and Volumes
  • Unit 5 1.1 and 1.2

2
Definitions Essential to Success
  • Face
  • Edge
  • Vertex
  • Polyhedron
  • http//www.eduplace.com/math/mw/models/overview/5_
    17_1.html

3
Polyhedron
  • A 3 dimensional figure whose surfaces are
    polygons
  • Can you give me an example of a polygon?

4
Remember a Polygon is not a Polyhedron A
Polygon is a closed plane figure with 3 or more
sides and it is 2 dimensional (FLAT)!
5
POLYHEDRONS
6
Face A flat side of a 3 dimensional object
7
Edge Intersection of 2 faces on a solid object.
This is a line.
8
Vertex A point where 3 or more edges intersect
9
Steps to Identifying Polyhedrons
http//www.eduplace.com/math/mw/models/overview/5_
17_1.html
10
Rectangular Prism
11
Cube Also known as a square prism
12
Triangular Prism.
.
.
.
13
Hexagonal Prism
14
Triangular Pyramid, aka Tetrahedron
15
Square Pyramid
16
Cylinder A solid with two parallel circular
bases.If you "unwrap" the middle section and lay
it flat, it is a rectangle.
17
Sphere A solid figure where all points
are an equal distance from the center
point. It is a Ball.

http//www.kutasoftware.com/FreeWorksheets/GeoWork
sheets/10-Identifying20Solid20Figures.pdf
18
http//www.pearsonsuccessnet.com/snpapp/iText/prod
ucts/0-13-368405-9/phs_geometry_na_main.html?chapt
ernullpagenullanchorynull
19
2 Dimensional to 3DimensionalWhere we have been
and where we are going
http//www1.teachertube.com/viewVideo.php?video_id
60529titlePolyhedronsvpkey
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