Ah, a nonagonal pyramid is a beautiful shape! It has 9 vertices, one at the top where all the edges meet, and 8 at the base where the sides come together. Each vertex is like a little friend, all coming together to create a wonderful geometric masterpiece.
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A nonagonal pyramid has 10 vertices. This is because a nonagonal pyramid is composed of a nonagon base, which has 9 vertices, and an additional vertex at the apex of the pyramid. Therefore, the total number of vertices is 9 + 1 = 10.
9
There are 10 sides : 9 sides and the nonagonal base.
Edges: 27 Faces: 11 Vertices: 18
A square pyramid has 5 vertices.
A triangular based pyramid has 4 vertices.