how many vertex in triangular pyramid

4 vertex, 3 in base and 1 opposite to the base at the top.

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A triangular pyramid is a pyramid made up of 4 triangles. The vertices are the points where the edges of the triangles meet. They are sometimes called corner points. There are 4 faces, therefore, there are 4 vertices. There are 6 edges, and if they are all equal in length, it would be called a tetrahedron

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 A triangular pyramid is one with a triangle shaped base and triangular sides (4 sides, all of them identical), therefore it would only have 4 vertices.

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