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 pris... More »

A triangular prism has nine edges. It consists of a triangular base, a translated copy of the base and three quadrilaterals, for a total of five faces and six vertices. More »

A pentagonal prism has 15 edges and 10 vertices. It also has seven faces: two pentagons, which form its bases, and five rectangles for the sides. More »

Rectangular prisms have eight vertices. They also have six faces and 12 edges. "Vertices" is the plural of "vertex," which is defined as the point where three or more faces come together to form a point or a corner, in t... More »

To find the surface area of a rectangular prism, find its length, width and height. Multiply width times height, length times width, and length times height. Add the three products together, and multiply the sum by two. ... More »

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. More »

A rectangular prism has six faces. Unlike many other prisms, the faces on a rectangular prism are all rectangles. For instance, a trapezoidal prism has two faces that are trapezoids while the other faces are rectangles. More »