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How many ventrices does regular icosahedron have?
Assuming 'ventrices' is actually supposed to be vertices, the plural of vertex (alternately the plural can be written as vertexes), then a regular icosahedron has 12 vertices.
What is the number of an icosahedron or the number of vertices of a dodecahedron?
An icosahedron has 20 faces, 30 edges, and 12 vertexes. 5 polygons meet at each vertex and each face has 3 vertexes (therefore made of triangles). A dodecahedron has 12 faces, 30 edges, and 20 vertexes. 3 polygons meet at each vertex and each face has 5 vertexes (therefore made of pentagons).
How many vertex does a cube have?
8 vertexes
How many verices does icosahedron have?
vearice does has a icosahedron have is19
How many lines does the icosahedron have?
An icosahedron has 30 edges.
How many vertexes does a rectangular prisim have?
Not sure about vertexes or prisim. A rectangular prism, on the other hand, has 8 vertices. Not vertexes.
How many vertexes edges does a cylinder have?
A cylinder has no vertices (not vertexes!) It has 2 circular edges.
How many edges and vertexes does a triangular-based prism have?
6 edges 4 vertexes
Why do the angles around vertexes in truncated icosahedron not add up to 360 degrees?
The angles around the vertexes of a truncated icosahedron (120+120+108) do not add up to 360 because they are not all in the same plane, ie. the polyhedron is a 3D structure not 2D. If the vertex is projected onto a 2D surface the angles become 124:20 +124:20 +111:20 which do add up to 360. Anyone with an IQ greater than their shoe size would know this :-)
How many vertexes does cone have?
1
How many vertexes a square can have?
4
How many vertexes are on a cone?
One.
