A three-dimensional right triangular prism has the following attributes:
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Vertices: A right triangular prism has 6 vertices. These include the three vertices from the triangular base and three corresponding vertices directly above them at the top face.
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Faces: It has 5 faces in total. There are 2 triangular faces (the top and the bottom) and 3 rectangular faces connecting the corresponding sides of the triangular bases.
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Edges: It has 9 edges. There are 3 edges on the bottom triangular face, 3 edges on the top triangular face, and 3 edges connecting the vertices of the top triangular face to the corresponding vertices of the bottom triangular face.
Therefore, the correct set of attributes for a right triangular prism is: 6 vertices, 5 faces, and 9 edges.
However, based on the options you provided, none align perfectly with this description. The closest correct description would reflect: 6 vertices, 5 faces, and 9 edges. If you mistakenly provided the wrong numbers of faces or edges in the options, that may have contributed to the confusion.