Q:

How many vertices does a pentagonal prism have?

A:

Quick Answer

A pentagonal prism has 10 vertices because there are two five-sided shapes at both ends of a prism. A pentagonal prism has 15 edges and seven faces. Five faces are between the pentagons on each end.

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Full Answer

Comparatively, a rectangular prism has eight vertices, 12 edges and six faces. A triangular prism contains six vertices, nine edges and five faces. A hexagonal prism has 12 vertices, 18 edges and eight faces. Every time an edge of a regular polygon is added to a three-dimensional prism, the vertices increase by two, the edges increase by three and the faces increase by one. The reverse is true when an edge is subtracted from a regular polygon in a prism-like figure.

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Related Questions

  • Q:

    What is a trapezoidal prism?

    A:

    A trapezoidal prism is a three-dimensional figure that consists of two trapezoids on opposite faces connected by four rectangles. A trapezoidal prism has six faces, eight vertices and 12 edges.

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  • Q:

    What is a rectangular prism?

    A:

    A rectangular prism is a three-dimensional object that has six faces that are all rectangles. On a rectangular prism, opposite faces are both equal and parallel. Rectangular prisms also have the same cross section along their lengths.

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  • Q:

    How many edges does a rectangular prism have?

    A:

    A rectangular prism has 12 edges. In geometry, a prism is a solid figure with parallel ends or bases that are the same size and shape, with each side representing a parallelogram. The parallelograms in a rectangular prism are all rectangles.

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  • Q:

    How many faces does a pentagonal prism have?

    A:

    A pentagonal prism has five lateral faces and two pentagonal bases, which equal seven faces. A prism has two congruent polygons that form the top and bottom of the shape. These polygons are referred to as bases. The remaining sides are referred to as lateral faces.

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