There are 10 sides : 9 sides and the nonagonal base.
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A nonagon has nine faces. It is a nine-sided polygon. A regular nonagon has internal angles of 140-degrees. The U.S. Steel Tower is an irregular nonagon.
Faces- 20 Edges- 30 Vertices- 12
if you need to know how many triangles are in a polygon ... just take the number of its sides and subtract for example. nonagon has 9 sides so it will be 9-2=7 so, a nonagon has 7 triangles
It has 8 faces, 6 Vertices, and 12 edges * * * * * That is one configuration. An octahedron can also be a heptagonal pyramid which has 8 faces, 8 vertices and 14 edges.
it ha 6 faces 12 edges 8 (corners)
Pretty simple really: Vertices are corners and edges are boundaries so, a hexagon has six of each.