3-D Geometry
POLYHEDRA
THE ANSWERS
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Answer:
7 faces (don't forget to count the base too! 
               
6 triangles (sides) + the hexagon base = 7 total faces
How many faces, edges
and vertices does this
  polyhedron have?
12 edges
7 vertices
(it is a hexagonal pyramid)
Answer:
hexagonal prism
octagonal prism
What is a prism called that has hexagons at each end of it? 
What is the name of a prism with an octagon at each end?
What is the name of this prism? Answer:
octagonal prism ("octa" = eight)
Answer:
Yes it is.  Why wouldn't it be?  Don't forget, a square is a rectangle too.  A cube is a prism with a square at each end and joined by rectangles (that happen to be squares).
Is the cube a prism?
What's the name for a pyramid that has
an octagon at the base?  Try to draw one.
Answer:
octagonal pyramid
What are the names of these pyramids? 
Answer:
square pyramid     tetrahedron        hexagonal pyramid
                         or triangular pyramid
Answer:
Cube 
("hexa" = six) a cube is
a six-sided polyhedron
What's another name for the hexahedron?
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Here's a chart to help you remember the number prefixes

number     prefix              words
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three           tri                         
triangle
four             quad (Latin)           
quadrilateral
                    tetra (Greek)       
tetrahedron
five              penta                     
pentagon, pentagonal
six                hexa                      
hexagon, hexagonal
seven           hepta                      heptagon
(you don't see this very often)
eight            octa                        octagon, octagonal
ten               deka (Greek)
                    deci (Latin)            
decimal
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