Labeling Vertices

~point of intersection of lines

external image glossary_vertices.jpg
The vertex of an angle is the point where the two rays that form the angle intersect.
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The vertices of a polygon are the points where its sides intersect.
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Labeling Verticies (picture)
Labeling Verticies of a Cube---picture

--A point in a geometrical solid common to three or more faces.
~# of faces at each vertex
~ example: a tetrahedron has 3 faces at each vertex

Labeling Faces

external image Image11220.gif

~ is a flat surface on a three dimensional shape

~ any of the bounding surfaces of a solid figure


Labeling Edges

external image circumcube7.gif

~line segments where the faces intersect are called EDGES

~also called a side

Everything(faces, edges, and vertices
edges, faces, vertices game