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Does a Cone have an Edge? A Vertex? [03/12/2002] Our 4th grade math textbook defines a cone as "A solid figure with one circular face and ... Number of Cylinder Edges [04/01/2002] My son was asked "how many edges are there on a solid cylinder?" on a recent math examination. His answer was "2" and it was marked incorrect.
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mathforum.org/library/drmath/sets/mid_3d.html
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one but it is a bit tricky and depends on how you define an edge. Many use the definition of a boundary of a geometric figure
http://wiki.answers.com/Q/How_many_edges_does_a_cone_ha...
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Describe 3-D objects according to the shape of the faces, and the number of edges and vertices. ... Identify the faces, edges and vertices of given 3-D objects, including cubes, spheres, cones, cylinders, pyramids and prisms.
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io.uwinnipeg.ca/~jameis/New%20Pages/EYR52.html
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Question: How many faces are there on a sphere? ... What are the faces of a cone? ... This reads like a question related to counts of vertices, edges, faces on various surfaces. (Euler's formula).
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mathcentral.uregina.ca/QQ/database/QQ.09.00/sandy1.html
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Callie ; Student ; Middle School Grade 6 ... Does a cone have a vertex? ... I have drawn a cone below. Most of the time we think of a cone as only the top or bottom half of what is drawn, but a cone really includes both parts. It does have a vertex as indicated.
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mathcentral.uregina.ca/QQ/database/QQ.09.01/callie1.htm...
mathcentral.uregina.ca/QQ/database/QQ.09.01/callie1.html
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The space figure pictured below is a cube. The grayed lines are edges hidden from view. ... A cone is a space figure having a circular base and a single vertex. If r is the radius of the circular base, and h is the height of the cone, then the volume of the cone is 1/3 × pi × r2 × h.
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www.mathleague.com/help/geometry/3space.htm
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Java Games: Matching, concentration, word search, and flashcards. ... 6th grade math ... Luray Elementary School...
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www.quia.com/jg/115708.html
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A cone has ZERO vertices. A vertex is formed by straight edges that are made up of line segments. There are no line segments that form a cone.
http://wiki.answers.com/Q/How_many_vertices_does_a_cone...
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･ 1 edge: it surrounds the bottom surface, which is a circle ･ 2 faces: 1 on bottom, 1 wraps around ･ 1 vertex: the tip of the cone
http://answers.yahoo.com/question/index?qid=20081108194...
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