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# What is a trapezoidal prism?

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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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The volume of a trapezoidal prism is computed by multiplying the surface area of one of the trapezoid faces by the distance between the two trapezoids. This method, multiplying the surface area of a base by the height, is the same for computing the volume of any prism. The surface area of a trapezoidal prism is computed by multiplying the surface area of one of the prisms by two and then adding the product of the perimeter of the trapezoid times the height of the figure.

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## Related Questions

• A:

A prism is a three-dimensional figure made of two equivalent parallel faces and rectangular faces that connect them. To find the volume of a prism, find the area of one of the parallel faces, and multiply by the perpendicular distance between them. You might need scratch paper and a calculator.

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• A:

A rectangular prism has six faces or sides that are quadrilaterals, and they are arranged so that the figures meet at eight corners or vertices. The places where two sides meet are called edges, and rectangular prisms have 12 of them. The individual faces may be square or rectangular.

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• A:

The difference between a rectangular prism and a cubic prism is in the equality of the faces of the prism. All sides of a cubic prism are equal, while a rectangular prism's sides have different measurements.